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C1 adjective #12,000 mais comum 11 min de leitura

biodegradable

Pratique Exemplos Notas e dicas biodegradable em 30 segundos

Explicação biodegradable in your Level:

Biodegradable is a word for things that can go back into the earth. If something is biodegradable, nature helps it disappear. For example, an apple core is biodegradable. If you leave it on the ground, after some time, it will become part of the soil. Plastic is usually not biodegradable. It stays in the earth for a very long time. We use this word to talk about being kind to our planet. It is a long word, but you can think of 'bio' as life and 'degradable' as breaking down. When you go shopping, you might see this word on bags or soaps. It means they are better for the environment because they don't leave trash forever. Always remember: an apple is biodegradable, but a plastic toy is not.

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Biodegradable describes materials that can be broken down by tiny living things like bacteria. When something is biodegradable, it doesn't stay as trash forever; it turns into natural things like water and soil. This is very important for protecting the environment. Many people try to buy biodegradable products, like paper bags or special soaps, because they want to reduce pollution. If you put a biodegradable item in a compost bin, it will slowly rot and disappear. This word is often seen in science class and on product labels. It is an adjective, so we use it to describe nouns. For example, we say 'biodegradable waste' or 'biodegradable packaging.' It is the opposite of 'permanent' or 'non-biodegradable' materials like glass and most plastics.

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Biodegradable is an adjective used to describe substances that are capable of being decomposed by natural biological processes. This typically involves bacteria, fungi, or other microorganisms breaking the material down into its basic components. In today's world, where pollution is a major concern, using biodegradable materials is seen as a way to help the environment. For instance, many companies are now making biodegradable coffee cups and straws instead of plastic ones. However, it's important to know that biodegradable things need certain conditions to break down, like enough air and moisture. If they are buried deep in a landfill, they might not break down as fast as we think. You will often hear this word in discussions about recycling, sustainability, and eco-friendly living.

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Biodegradable refers to any material that can be decomposed by microorganisms, such as bacteria and fungi, into natural elements like water, carbon dioxide, and biomass. This term is crucial in environmental science and sustainable manufacturing. When a product is labeled as biodegradable, it implies that it will not persist in the environment and contribute to long-term pollution. However, B2 learners should be aware of the distinction between 'biodegradable' and 'compostable.' While both involve natural breakdown, 'compostable' usually implies a faster process that results in nutrient-rich soil under specific conditions. In business and marketing, the term is frequently used to promote 'green' products. It is important to use the word accurately, as some materials may only be biodegradable in industrial facilities rather than in a natural setting like a forest or ocean.

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Biodegradable is a C1-level adjective describing a substance's capacity to undergo complete mineralization by biological activity. In advanced contexts, it signifies that the material's chemical structure can be broken down by enzymes produced by microorganisms, eventually returning to the ecosystem without leaving toxic residues. The term is central to discussions on the circular economy and life-cycle assessment (LCA). C1 speakers should recognize that the efficacy of biodegradation is context-dependent, relying on variables such as temperature, oxygen availability, and microbial density. Furthermore, the term is often scrutinized in the context of 'greenwashing,' where companies may use the label 'biodegradable' without specifying the necessary conditions or timeframes for degradation. Mastering this word involves understanding its role in environmental policy, polymer science, and corporate social responsibility (CSR) reporting.

At the C2 level, biodegradable is understood as a technical descriptor within the broader framework of environmental biotechnology and material science. It denotes the susceptibility of a complex organic compound to be broken down into simpler, non-toxic molecules through the metabolic processes of living organisms. C2 speakers use this term with precision, often distinguishing between 'ready biodegradability'—the ability of a substance to degrade rapidly in an aerobic environment—and 'inherent biodegradability.' The term is frequently employed in high-level debates regarding the mitigation of anthropogenic environmental impact and the development of sustainable polymers. It also appears in legal and regulatory frameworks, such as the EU standards for packaging waste, where the 'biodegradable' claim must be substantiated by rigorous empirical testing (e.g., ISO standards). In this register, the word reflects a deep engagement with the complexities of ecological preservation and chemical engineering.

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Pratique Exemplos Notas e dicas

biodegradable em 30 segundos

Biodegradable describes materials that can be broken down naturally by microorganisms like bacteria and fungi, preventing long-term pollution and trash buildup in the environment.
The term is a cornerstone of environmental science and green marketing, used to identify products that return to nature safely within a reasonable timeframe.
It is grammatically an adjective, often modifying nouns like waste, plastic, and packaging to describe their eco-friendly lifecycle and eventual decomposition.
Understanding 'biodegradable' involves distinguishing it from 'compostable' and 'recyclable,' as it specifically refers to the biological process of decay into natural elements.

The term biodegradable is a sophisticated adjective used primarily in environmental science, chemistry, and modern consumer marketing to describe materials that can be broken down naturally. At its core, the word refers to the ability of a substance to undergo biological degradation, a process where living organisms—most notably bacteria, fungi, and other microbes—consume the material and convert it into water, carbon dioxide, and organic matter or biomass. Unlike synthetic materials that persist in the environment for centuries, a biodegradable substance is designed to return to the earth without leaving behind toxic residues or microplastics that harm the ecosystem.

The Biological Mechanism: The process involves enzymatic action where microbes secrete proteins that break the chemical bonds of the material. This is why temperature, moisture, and oxygen levels are critical; without the right conditions, even a biodegradable item might remain intact for a long time.

People use this word most frequently when discussing sustainability and waste management. In a world increasingly concerned with plastic pollution, 'biodegradable' serves as a beacon of environmental responsibility. However, it is a word that requires precision. In professional contexts, scientists distinguish between 'biodegradable' and 'compostable.' While all compostable materials are biodegradable, not all biodegradable materials are compostable, as some may require industrial heat to break down rather than a simple garden heap.

The research team developed a new form of biodegradable polymer derived from corn starch that dissolves in seawater within ninety days.

Environmental Impact: By choosing biodegradable alternatives, industries can significantly reduce the 'plastic footprint' of their products. This is especially vital in sectors like single-use packaging, agriculture (mulch films), and medical supplies (sutures).

In everyday conversation, you will hear this word in grocery stores, when buying cleaning supplies, or when discussing climate change. It carries a positive connotation, suggesting that the user is making a conscious effort to protect the planet. In C1-level discourse, the word is often used to analyze the efficacy of environmental policies or the technical feasibility of new manufacturing techniques. It represents a shift from a linear economy—take, make, waste—to a circular economy where materials are repurposed or safely returned to nature.

Many cities are now mandating the use of biodegradable bags for organic waste collection to improve the quality of municipal compost.

Terminology Nuance: Biodegradable is an adjective that modifies nouns like waste, plastic, material, and packaging. It functions to define the lifecycle of the object, moving the focus from its utility to its eventual disappearance.

The shift toward biodegradable detergents has led to a significant recovery of local river ecosystems over the last decade.

Using biodegradable correctly requires an understanding of its grammatical role as an adjective and its specific scientific implications. It most frequently appears before a noun (attributive use) but can also follow a linking verb (predicative use). Because it is a multi-syllabic, technical term, it is often found in formal reports, academic papers, and persuasive marketing copy.

Attributive Usage: This is the most common pattern. Example: 'We should only purchase biodegradable utensils for the picnic.' Here, it directly describes the type of utensils.

When using the word in C1 and C2 level writing, it is often paired with adverbs to specify the degree or conditions of degradation. For example, 'readily biodegradable' implies the substance breaks down quickly and easily, while 'inherently biodegradable' suggests the potential is there, though the process might be slower. Understanding these nuances allows for more precise communication in environmental auditing or product development.

It is essential to determine whether the substance is biodegradable under anaerobic conditions, such as those found deep within a landfill.

Predicative Usage: Example: 'The packaging is completely biodegradable.' In this structure, the word follows the verb 'is' and provides information about the subject 'packaging.'

One must also consider the context of the sentence to avoid ambiguity. For instance, saying a 'biodegradable car' might be confusing—does it mean the entire car will melt away in the rain, or that specific components are made from bio-plastics? Specificity is key. Use the word to describe specific materials like 'biodegradable upholstery' or 'biodegradable hydraulic fluids.'

The manufacturer claims that the glitter used in their cosmetics is 100% biodegradable and plant-based.

In complex sentence structures, 'biodegradable' can be part of a comparative analysis. For example: 'While traditional polyethylene is notorious for its persistence, its biodegradable counterparts offer a pathway toward mitigating long-term ecological damage.' This sentence uses the word as an adjective modifying 'counterparts,' showcasing a high-level contrast between two types of materials.

The legislative framework incentivizes the production of biodegradable alternatives through tax breaks and subsidies.

Common Collocations: Commonly paired with: waste, plastic, material, packaging, soap, detergent, and substance. These pairs help establish the environmental context immediately.

Scientists are exploring the use of fungal mycelium to create biodegradable insulation for the construction industry.

You will encounter the word biodegradable in a variety of settings, ranging from the mundane to the highly specialized. It is a staple of modern environmental discourse and appears frequently in media, commerce, and science. Understanding these contexts helps in grasping the word's social weight and technical meaning.

Retail and Consumer Goods: This is perhaps the most common place. Labels on trash bags, coffee pods, and cutlery often highlight 'biodegradable' as a key selling point. In these cases, it is used to appeal to eco-conscious consumers.

In the news, specifically within segments focusing on climate change or ocean conservation, the word is used to describe solutions to the 'plastic crisis.' Journalists might interview experts about the feasibility of replacing conventional plastics with biodegradable options in municipal waste streams. Here, the tone is often analytical or hopeful.

During the documentary, the narrator explained how biodegradable fishing nets could prevent 'ghost fishing' by breaking down if lost at sea.

Scientific and Academic Discourse: In laboratories and research papers, 'biodegradable' is a technical specification. Scientists discuss 'biodegradable polymers' or 'microbial biodegradation rates' under specific environmental variables like pH and temperature.

In political and legal arenas, the word appears in legislation. Laws may be passed to ban non-biodegradable single-use plastics. In these contexts, the word is legally defined, and companies must meet specific standards (like ASTM D6400) to use the label. This adds a layer of regulatory importance to the term.

The city council representative argued that switching to biodegradable food containers would save the city millions in landfill fees.

Finally, you will hear it in the outdoor and camping community. 'Leave No Trace' principles emphasize the use of biodegradable soap to ensure that washing in or near lakes and streams doesn't introduce harmful chemicals into the water system. In this context, it is a word associated with outdoor ethics and respect for nature.

The park ranger reminded us that even biodegradable items should be buried far away from the water source.

Corporate Sustainability Reports: Large corporations use the term to demonstrate their commitment to ESG (Environmental, Social, and Governance) goals, often setting targets for 100% biodegradable packaging by a certain year.

Our annual report highlights the successful transition to biodegradable shipping materials, reducing our carbon footprint by 15%.

While biodegradable is a common word, it is frequently misunderstood or misused, leading to confusion in both casual and professional settings. One of the most prevalent errors is conflating 'biodegradable' with 'compostable.' While they are related, they are not interchangeable.

Biodegradable vs. Compostable: Mistake: Assuming a biodegradable plastic bag can go in your home compost bin. Truth: Many biodegradable plastics require the high, sustained heat of an industrial composting facility to break down. In a backyard bin, they might remain intact for years.

Another common mistake is the assumption that 'biodegradable' means a product will break down quickly anywhere. In reality, biodegradation is highly dependent on environmental conditions. If a biodegradable cup is buried in a landfill where there is no oxygen (anaerobic conditions) and little moisture, it may be preserved for decades, just like a standard plastic cup. The word describes a material's potential, not a guaranteed timeframe regardless of location.

It is a misconception that biodegradable items are always better for the environment if they end up in a standard landfill.

The 'Greenwashing' Trap: Mistake: Believing that all 'bio-based' products are biodegradable. Truth: Some plastics made from plants (like bio-PET) are chemically identical to petroleum-based plastics and are not biodegradable at all.

Grammatically, learners often struggle with the word's form. It is an adjective, not a noun or a verb. You cannot 'biodegradable' something; you can only 'degrade' it or use a 'biodegradable' material. Similarly, avoid using it as a synonym for 'recyclable.' Recyclable materials (like aluminum) are processed by humans to be reused, whereas biodegradable materials are processed by nature to be absorbed.

The marketing team was criticized for labeling the product as biodegradable without specifying the time frame or required conditions.

Finally, beware of 'oxodegradable' plastics. These are often marketed as biodegradable, but they simply contain additives that cause the plastic to fragment into tiny pieces (microplastics) faster. They do not truly biodegrade in the biological sense, and using the word 'biodegradable' to describe them is often considered misleading or even illegal in some jurisdictions.

The environmental agency warned consumers that oxodegradable bags are not truly biodegradable and can contribute to microplastic pollution.

Spelling and Pronunciation: Mistake: Spelling it as 'biodegradeable' (with an extra 'e'). Truth: The correct spelling is 'biodegradable.' Pronunciation: /ˌbaɪ.əʊ.dɪˈɡreɪ.də.bəl/.

Always verify the third-party certification before assuming a product is genuinely biodegradable.

To enrich your vocabulary, it is helpful to look at words that share a semantic field with biodegradable. Depending on the level of technicality or the specific context, you might choose a different term to be more precise or to avoid repetition.

Compostable: Comparison: This is a subset of biodegradable. It specifically means the material will break down into nutrient-rich compost in a controlled environment. Use this when referring to organic waste management.
Decomposable: Comparison: A more general term. While 'biodegradable' emphasizes the role of living organisms, 'decomposable' simply means capable of being broken down into simpler parts, whether by biology, heat, or light.
Degradable: Comparison: This word is often used in chemistry. It implies a reduction in complexity. Note that 'degradable' plastics often just break into smaller plastic pieces, which is why 'biodegradable' is the preferred environmental term.

In more casual settings, you might use 'eco-friendly' or 'green,' though these are much broader and less specific. In academic writing, you might encounter 'bio-assimilable,' which refers to the ability of a substance to be absorbed into the tissues of an organism after being broken down. This is a very high-level term used in toxicology and marine biology.

The new packaging is not only biodegradable but also fully compostable in home garden systems.

Perishable: Comparison: Usually used for food. Perishable items will rot or spoil quickly. While they are biodegradable, the word 'perishable' focuses on the loss of freshness rather than the environmental impact of the waste.

Another interesting alternative is 'earth-friendly.' While less formal, it is often used in marketing to convey the same general idea. However, for a C1 learner, sticking to biodegradable or sustainable provides more academic weight. You might also consider 'renewable,' although this refers to the source of the material (like plants) rather than its end-of-life process.

Unlike persistent organic pollutants, these compounds are biodegradable and pose no long-term threat to the aquifer.

Bio-based: Comparison: Refers to the origin (plants/animals). A bio-based material is not necessarily biodegradable, so be careful not to use them as synonyms.

The switch from synthetic to biodegradable lubricants has been a major milestone for the shipping industry.

How Formal Is It?

Curiosidade

The word first gained popularity in the 1960s during the first major wave of environmentalism, particularly concerning detergents in rivers.

Guia de pronúncia

UK /ˌbaɪ.əʊ.dɪˈɡreɪ.də.bəl/

US /ˌbaɪ.oʊ.dɪˈɡreɪ.də.bəl/

bi-o-de-GRAD-a-ble

Rima com

degradable upgradable storable adorable reliable sustainable manageable changeable

Erros comuns

Pronouncing it as 'bio-de-grade-able' with a hard 'ade' sound.
Missing the 'o' sound entirely.
Putting the stress on the first syllable.
Treating 'grad' as 'grade'.
Confusing the 'able' ending with 'ible'.

Nível de dificuldade

Leitura 4/5

Requires understanding of scientific prefixes and suffixes.

Escrita 5/5

Spelling and precise usage can be challenging for learners.

Expressão oral 4/5

Multi-syllabic pronunciation requires practice.

Audição 3/5

Distinctive enough to be recognized easily.

O que aprender depois

Pré-requisitos

nature waste break down plastic clean

Aprenda a seguir

compostable sustainable ecology microorganism pollution

Avançado

mineralization anaerobic polymer enzymatic hydrolysis

Gramática essencial

Adjective Suffixes

The suffix '-able' makes 'degrade' into an adjective meaning 'able to be degraded'.

Prefix 'Bio-'

The prefix 'bio-' adds the meaning of 'life' or 'living organisms' to the word.

Compound Adjectives

Using 'non-' to create the antonym 'non-biodegradable'.

Adverbial Modification

Using adverbs like 'readily' or 'completely' to modify the adjective.

Attributive vs Predicative

'A biodegradable cup' (attributive) vs 'The cup is biodegradable' (predicative).

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Exemplos por nível

This paper bag is biodegradable.

Túi giấy này có thể phân hủy sinh học.

Used as an adjective after 'is'.

Apples are biodegradable food.

Táo là thực phẩm có thể phân hủy sinh học.

Attributive adjective modifying 'food'.

Is this plastic biodegradable?

Nhựa này có thể phân hủy sinh học không?

Interrogative sentence using the adjective.

I use biodegradable soap.

Tôi dùng xà phòng phân hủy sinh học.

Modifying the noun 'soap'.

Nature breaks down biodegradable things.

Tự nhiên phân hủy những thứ có thể phân hủy sinh học.

Modifying the pronoun 'things'.

Biodegradable trash is good for the earth.

Rác phân hủy sinh học tốt cho trái đất.

Subject of the sentence is the noun phrase 'Biodegradable trash'.

Leaves are biodegradable.

Lá cây có thể phân hủy sinh học.

Predicative adjective.

Don't throw non-biodegradable trash here.

Đừng vứt rác không phân hủy sinh học ở đây.

Using the prefix 'non-' for the opposite.

We should buy biodegradable plates for the party.

Chúng ta nên mua đĩa phân hủy sinh học cho bữa tiệc.

Adjective modifying 'plates'.

Many companies make biodegradable packaging now.

Nhiều công ty hiện đang sản xuất bao bì phân hủy sinh học.

Modifying 'packaging' (uncountable noun).

Is it easy to find biodegradable products in your town?

Có dễ dàng tìm thấy các sản phẩm phân hủy sinh học ở thị trấn của bạn không?

Modifying 'products'.

This soap is biodegradable and safe for rivers.

Xà phòng này có thể phân hủy sinh học và an toàn cho các dòng sông.

Two adjectives linked by 'and'.

The teacher explained what biodegradable means.

Giáo viên đã giải thích ý nghĩa của từ 'biodegradable'.

Used as the object of the verb 'means' in a noun clause.

Biodegradable materials rot naturally.

Các vật liệu phân hủy sinh học thối rữa một cách tự nhiên.

Subject adjective.

I prefer using biodegradable trash bags.

Tôi thích sử dụng túi rác phân hủy sinh học.

Modifying 'trash bags'.

Banana peels are a common biodegradable waste.

Vỏ chuối là một loại rác thải phân hủy sinh học phổ biến.

Modifying 'waste'.

The city encourages people to separate biodegradable waste.

Thành phố khuyến khích người dân phân loại rác thải phân hủy sinh học.

Modifying 'waste'.

Biodegradable plastics are designed to break down faster than regular ones.

Nhựa phân hủy sinh học được thiết kế để phân hủy nhanh hơn nhựa thông thường.

Comparative structure with 'than'.

Most organic matter is naturally biodegradable.

Hầu hết các chất hữu cơ đều có thể phân hủy sinh học một cách tự nhiên.

Adverb 'naturally' modifying the adjective.

You can put biodegradable scraps in your garden compost.

Bạn có thể bỏ những mẩu vụn phân hủy sinh học vào hố ủ phân trong vườn.

Modifying 'scraps'.

The label says the product is 100% biodegradable.

Nhãn ghi rằng sản phẩm có thể phân hủy sinh học 100%.

Percentage used as an intensifier.

Using biodegradable detergents helps protect aquatic life.

Sử dụng các chất tẩy rửa phân hủy sinh học giúp bảo vệ đời sống thủy sinh.

Gerund phrase as subject.

Scientists are looking for new biodegradable materials.

Các nhà khoa học đang tìm kiếm các vật liệu phân hủy sinh học mới.

Present continuous tense.

Cotton is a biodegradable fabric, unlike polyester.

Bông là một loại vải có thể phân hủy sinh học, không giống như polyester.

Contrast using 'unlike'.

The shift toward biodegradable packaging has reduced the company's carbon footprint.

Sự chuyển dịch sang bao bì phân hủy sinh học đã làm giảm dấu chân carbon của công ty.

Noun phrase as subject of the present perfect verb.

It's a common misconception that all bio-plastics are biodegradable.

Có một quan niệm sai lầm phổ biến rằng tất cả các loại nhựa sinh học đều có thể phân hủy sinh học.

Subordinate clause starting with 'that'.

Biodegradable substances require specific environmental conditions to decompose effectively.

Các chất phân hủy sinh học đòi hỏi các điều kiện môi trường cụ thể để phân hủy hiệu quả.

Adverb 'effectively' modifying the verb 'decompose'.

Many outdoor brands now produce biodegradable wipes for hikers.

Nhiều thương hiệu đồ dã ngoại hiện sản xuất khăn ướt phân hủy sinh học cho người đi bộ đường dài.

Compound noun 'outdoor brands'.

The government has introduced subsidies for biodegradable agricultural films.

Chính phủ đã đưa ra các khoản trợ cấp cho các màng nông nghiệp phân hủy sinh học.

Technical term 'agricultural films'.

Microbes play a vital role in breaking down biodegradable pollutants.

Vi sinh vật đóng vai trò quan trọng trong việc phân hủy các chất ô nhiễm phân hủy sinh học.

Prepositional phrase 'in breaking down'.

She chose a biodegradable coffin for her eco-friendly funeral.

Bà đã chọn một chiếc quan tài phân hủy sinh học cho đám tang thân thiện với môi trường của mình.

Specific noun 'coffin'.

Biodegradable polymers are increasingly used in medical implants.

Các polyme phân hủy sinh học ngày càng được sử dụng nhiều trong các bộ phận cấy ghép y tế.

Passive voice 'are increasingly used'.

The inherent biodegradability of the compound was confirmed through rigorous laboratory testing.

Khả năng phân hủy sinh học vốn có của hợp chất đã được xác nhận thông qua các thử nghiệm nghiêm ngặt trong phòng thí nghiệm.

Noun form 'biodegradability' used as subject.

Legislative measures are being implemented to phase out non-biodegradable single-use plastics.

Các biện pháp lập pháp đang được triển khai để loại bỏ dần các loại nhựa dùng một lần không phân hủy sinh học.

Phrasal verb 'phase out'.

The researchers synthesized a biodegradable elastomer with potential applications in tissue engineering.

Các nhà nghiên cứu đã tổng hợp một chất đàn hồi phân hủy sinh học với các ứng dụng tiềm năng trong kỹ thuật mô.

Complex noun phrase with 'potential applications'.

One must distinguish between materials that are readily biodegradable and those that require industrial composting.

Người ta phải phân biệt giữa các vật liệu dễ phân hủy sinh học và những vật liệu đòi hỏi phải ủ phân công nghiệp.

Adverb 'readily' modifying 'biodegradable'.

The company's claim of selling biodegradable products was scrutinized for potential greenwashing.

Tuyên bố bán các sản phẩm phân hủy sinh học của công ty đã bị xem xét kỹ lưỡng vì có khả năng là tẩy xanh.

Passive voice 'was scrutinized'.

Biodegradable hydraulic fluids are essential for machinery operating in sensitive ecological zones.

Chất lỏng thủy lực phân hủy sinh học là cần thiết cho máy móc hoạt động trong các vùng sinh thái nhạy cảm.

Present participle phrase 'operating in...'.

The rate at which a substance is biodegradable depends heavily on the microbial population of the soil.

Tốc độ phân hủy sinh học của một chất phụ thuộc rất nhiều vào quần thể vi sinh vật trong đất.

Relative clause 'at which...'.

Incorporating biodegradable components into electronics could mitigate the growing e-waste crisis.

Việc kết hợp các thành phần phân hủy sinh học vào đồ điện tử có thể giảm bớt cuộc khủng hoảng rác thải điện tử đang gia tăng.

Gerund phrase 'Incorporating... into electronics'.

The enzymatic hydrolysis of biodegradable polyesters is a cornerstone of modern green chemistry.

Sự thủy phân bằng enzym của các polyester phân hủy sinh học là nền tảng của hóa học xanh hiện đại.

Technical scientific terminology.

Critics argue that the term 'biodegradable' is often used as a marketing gimmick to circumvent stricter environmental regulations.

Các nhà phê bình cho rằng thuật ngữ 'phân hủy sinh học' thường được sử dụng như một chiêu trò tiếp thị để lách các quy định nghiêm ngặt về môi trường.

Infinitive phrase of purpose 'to circumvent...'.

The study evaluates the biodegradability of various bioplastics under anaerobic conditions typical of landfills.

Nghiên cứu đánh giá khả năng phân hủy sinh học của các loại nhựa sinh học khác nhau trong điều kiện kỵ khí đặc trưng của các bãi chôn lấp.

Adjective phrase 'typical of landfills'.

Life-cycle assessments reveal that biodegradable alternatives are not always the most carbon-neutral option when production energy is considered.

Các đánh giá vòng đời tiết lộ rằng các giải pháp thay thế phân hủy sinh học không phải lúc nào cũng là lựa chọn trung hòa carbon nhất khi xét đến năng lượng sản xuất.

Concessive clause 'when production energy is considered'.

Advancements in biotechnology have led to the creation of biodegradable scaffolds for regenerative medicine.

Những tiến bộ trong công nghệ sinh học đã dẫn đến việc tạo ra các khung giàn phân hủy sinh học cho y học tái tạo.

Present perfect tense with 'have led to'.

The ecological efficacy of biodegradable detergents is predicated on the presence of specific aerobic bacteria in wastewater treatment plants.

Hiệu quả sinh thái của các chất tẩy rửa phân hủy sinh học dựa trên sự hiện diện của các vi khuẩn hiếu khí cụ thể trong các nhà máy xử lý nước thải.

Passive voice 'is predicated on'.

The standard ISO 14855 specifies a method for determining the ultimate aerobic biodegradability of plastic materials.

Tiêu chuẩn ISO 14855 quy định phương pháp xác định khả năng phân hủy sinh học hiếu khí cuối cùng của vật liệu nhựa.

Formal technical definition style.

The transition to biodegradable munitions represents a significant step in reducing the environmental footprint of military training exercises.

Việc chuyển sang đạn dược phân hủy sinh học thể hiện một bước tiến quan trọng trong việc giảm dấu chân môi trường của các cuộc tập trận quân sự.

Complex subject 'The transition to...'.

Sinônimos

decomposable compostable organic perishable degradable eco-friendly

Antônimos

non-biodegradable permanent synthetic

Colocações comuns

biodegradable waste

biodegradable packaging

readily biodegradable

biodegradable plastic

biodegradable soap

completely biodegradable

biodegradable material

biodegradable detergent

naturally biodegradable

biodegradable alternative

Frases Comuns

100% biodegradable

— Entirely capable of breaking down.

The cup is 100% biodegradable.

certified biodegradable

— Proven to be biodegradable by an official body.

Look for the certified biodegradable logo.

biodegradable and compostable

— Meets both standards of breakdown.

These bags are both biodegradable and compostable.

marine biodegradable

— Can break down in ocean water.

Marine biodegradable plastics are still being developed.

biodegradable at home

— Can break down in a standard garden bin.

Not all plastics are biodegradable at home.

industrial biodegradable

— Requires high heat to break down.

This is an industrial biodegradable polymer.

biodegradable byproduct

— The result of the breakdown process.

Water is a biodegradable byproduct of this reaction.

biodegradable solution

— An eco-friendly way to solve a problem.

We need a biodegradable solution for food waste.

inherently biodegradable

— Has the natural property to break down.

The chemical is inherently biodegradable.

biodegradable components

— Parts of a larger thing that can rot.

The phone has some biodegradable components.

Frequentemente confundido com

biodegradable vs Compostable

Compostable items break down faster and in specific ways; biodegradable is a more general term.

biodegradable vs Recyclable

Recyclable means it can be turned into something new by people; biodegradable means nature breaks it down.

biodegradable vs Sustainable

Sustainable refers to the whole process of being eco-friendly; biodegradable is just about how it rots.

Expressões idiomáticas

"Go green"

— To start using environmentally friendly products, like biodegradable ones.

Our office decided to go green this year.

informal

"Leave no trace"

— A principle of using biodegradable or reusable items in nature.

Hikers must follow the leave no trace rule.

formal

"Dust to dust"

— The idea that everything eventually breaks down (biodegrades).

In the end, it's all dust to dust.

literary

"Back to nature"

— Returning to a simple life or using materials that return to nature.

The movement is all about going back to nature.

informal

"Circular economy"

— A system where materials are biodegradable or recyclable.

Biodegradable plastics are vital for a circular economy.

academic

"Green thumb"

— Being good at gardening, where you manage biodegradable waste.

With her green thumb, she makes great compost.

informal

"Tread lightly"

— To live in a way that minimizes environmental impact.

We must tread lightly on the earth.

poetic

"Root and branch"

— Completely; often used when discussing radical changes for the environment.

We need a root and branch reform of waste laws.

idiomatic

"Tip of the iceberg"

— Biodegradable products are just one small part of environmentalism.

Packaging is just the tip of the iceberg.

informal

"In the long run"

— Over a long period, which is when biodegradation happens.

In the long run, biodegradable materials save money.

general

Fácil de confundir

biodegradable vs Degradable

Sounds similar.

Degradable can mean breaking into small plastic pieces; biodegradable means breaking into natural elements.

That bag is degradable, but it's not biodegradable.

biodegradable vs Bio-based

Both start with 'bio'.

Bio-based refers to where the material comes from; biodegradable refers to where it goes.

This cup is bio-based but not biodegradable.

biodegradable vs Organic

Both relate to nature.

Organic usually refers to how food is grown; biodegradable refers to how things rot.

I buy organic food in biodegradable bags.

biodegradable vs Perishable

Both mean things rot.

Perishable is for food that goes bad; biodegradable is for waste that disappears.

Milk is perishable; the cardboard carton is biodegradable.

biodegradable vs Soluble

Both mean things disappear.

Soluble means it dissolves in water; biodegradable means microbes eat it.

The sugar is soluble, but the leaf is biodegradable.

Padrões de frases

This is [adjective].

This is biodegradable.

I use [adjective] [noun].

I use biodegradable soap.

It is [adverb] [adjective].

It is naturally biodegradable.

Companies are making [adjective] [noun].

Companies are making biodegradable packaging.

The [noun] of [noun] is [adjective].

The decomposition of paper is biodegradable.

Given its [noun], the substance is [adjective].

Given its molecular structure, the substance is biodegradable.

Distinguishing [noun] from [adjective] [noun].

Distinguishing plastic from biodegradable alternatives.

The [adjective] nature of [noun] suggests...

The biodegradable nature of the polymer suggests a sustainable future.

Família de palavras

Substantivos

biodegradability

biodegradation

biodegrader

Verbos

biodegrade

Adjetivos

biodegradable

non-biodegradable

Relacionado

biology

degradation

compost

ecology

sustainability

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Como usar

frequency

Common in environmental and commercial contexts.

Erros comuns

Using 'biodegradable' as a verb. → The material will biodegrade.
Biodegradable is an adjective. The verb is 'biodegrade'.
Confusing it with 'recyclable'. → We should use biodegradable materials.
Recycling is a human process; biodegradation is a natural one.
Spelling it 'biodegradeable'. → Biodegradable
The 'e' is dropped when adding the '-able' suffix.
Thinking it means 'safe to eat'. → The soap is biodegradable.
Biodegradable only refers to how it breaks down, not its safety for human consumption.
Assuming it breaks down in a landfill. → It is biodegradable in compost conditions.
Landfills often lack the oxygen needed for biodegradation.

Dicas

Be Specific

Instead of just saying 'it's biodegradable,' say 'it's biodegradable in soil' or 'biodegradable in water' for better clarity.

Check Spelling

Remember there is no 'e' after 'degrad'. It is 'degradable,' not 'degradeable.'

Marketing Awareness

When you see 'biodegradable' on a product, look for a certification seal to ensure it's not greenwashing.

Learn the Noun

Use 'biodegradability' to talk about the quality of being biodegradable in academic writing.

Proper Disposal

Even if something is biodegradable, don't litter. It still needs the right environment to break down properly.

Microbes Matter

Remember that biodegradation is a biological process. No microbes means no biodegradation.

Compost vs Bio

Always remember that 'compostable' is a stricter and more useful term for home gardeners.

Adverb Pairs

Pair 'biodegradable' with 'highly' or 'readily' to sound more like a native C1 speaker.

Stress the Grad

Make sure to emphasize the 'grad' syllable to be understood clearly.

Listen for 'Bio-'

This prefix is a huge clue that the topic is about life or the environment.

Memorize

Mnemônico

Think of 'Bio' (Life) + 'Degrade' (Break down) + 'Able' (Can do). Life can break it down!

Associação visual

Imagine a green leaf slowly turning into dark, rich soil. That leaf is biodegradable.

Word Web

bacteria fungi compost nature waste plastic environment decay

Desafio

Try to find three items in your kitchen that are biodegradable and three that are not.

Origem da palavra

Formed in the mid-20th century by combining the prefix 'bio-' (from Greek bios, meaning life) and 'degradable' (from Latin degradare, meaning to lower in rank or quality).

Significado original: The ability to be broken down by biological means.

English (Greek and Latin roots)

Contexto cultural

Be careful not to use it as a synonym for 'perfectly safe'; even biodegradable items need proper disposal.

Commonly used in 'green' marketing and environmental activism.

The movie 'Wall-E' (about waste management) Rachel Carson's 'Silent Spring' (environmental impact) The Earth Day movement

Pratique na vida real

Contextos reais

Waste Management

sort the waste
compost bin
landfill site
organic matter

Shopping

eco-friendly choice
paper over plastic
green label
sustainable brand

Science Class

microbial action
chemical structure
decomposition rate
environmental impact

Camping

leave no trace
eco-soap
pack it out
protect the water

Business

green marketing
corporate responsibility
product lifecycle
sustainable packaging

Iniciadores de conversa

"Do you think biodegradable plastics are the solution to our ocean pollution problem?"

"How often do you check if a product is biodegradable before buying it?"

"In your country, is there a law about using biodegradable bags?"

"What are the most common biodegradable items you use every day?"

"Is 'biodegradable' just a marketing trick, or does it really matter?"

Temas para diário

Reflect on your daily waste. How much of it is biodegradable versus non-biodegradable?

Write an essay arguing for or against a total ban on non-biodegradable single-use plastics.

Describe a world where every single manufactured object is biodegradable.

Explain the importance of biodegradation in the context of a circular economy.

How has your understanding of the word 'biodegradable' changed after learning its scientific definition?

Perguntas frequentes

10 perguntas

Yes, paper is made from wood pulp and is naturally biodegradable. It breaks down quite quickly in most environments.

It depends on the material and the environment. An apple might take weeks, while a biodegradable plastic bag might take months or years.

No, most traditional plastics are not biodegradable and can stay in the environment for hundreds of years.

Usually no, unless it is labeled 'home compostable.' Many need industrial facilities.

Not necessarily. A product could be biodegradable but require a lot of energy to produce, making it less eco-friendly overall.

No! Just because bacteria can eat it doesn't mean humans should.

Because some companies use the word to sound eco-friendly even if their products don't break down easily in real-world conditions.

Yes, they turn into water, carbon dioxide, and organic matter that plants can use.

No, glass is made from sand and is very stable. It will not biodegrade, though it can be recycled.

Heat, moisture, oxygen, and the presence of microorganisms like bacteria are the main factors.

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