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B1 noun #2,000 よく出る 13分で読める

composto

上位2,000

練習する例文メモとヒント composto 30秒で

解説 composto in your Level:

At the A1 level, you don't need to worry about the complex scientific meanings of 'composto'. You might see it in very simple contexts, perhaps in a gardening book or a basic science lesson, referring to a 'mixture' of things. Think of it as a 'big word' for when you put two or more things together to make one new thing. For example, if you mix red and blue paint, you get a 'composto' of colors (though 'mistura' is more common at this level). Just remember that 'composto' means 'made of many parts'. You might also hear it in 'juros compostos' if you are looking at a bank account, but at A1, you just need to know it's a type of interest. Focus on the idea of 'putting together'.

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At the A2 level, you can start using 'composto' to describe things more accurately than just using 'mistura'. You might encounter it when talking about food ingredients or basic materials. For instance, you could describe a specific type of soil as a 'composto orgânico'. You should also be aware of 'substantivos compostos' (compound nouns) like 'guarda-chuva' (umbrella) in your grammar lessons. At this stage, you should recognize that 'composto' is a masculine noun ('o composto') and that it usually involves a combination of elements. It's a useful word to have in your vocabulary for when you want to sound a bit more formal or precise when describing how something is made.

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At the B1 level, you should be comfortable using 'composto' as a noun in scientific, technical, and financial contexts. You should understand that a 'composto químico' is a specific substance where elements are bonded, not just mixed. You can use it to describe composite materials in engineering or construction. You should also be able to use the phrase 'juros compostos' and understand the concept behind it. At this level, you should distinguish between 'composto' (the noun) and 'composto/a' (the adjective), ensuring correct gender agreement when using it as a descriptor. You are moving beyond simple descriptions and starting to use 'composto' to talk about structure and integration in various fields of study.

At the B2 level, you use 'composto' with precision and nuance. You understand its role in academic writing and can use it to describe complex social or philosophical structures ('um composto de influências culturais'). You are familiar with its use in pharmaceutical and industrial contexts, such as 'composto ativo' or 'composto polimérico'. You can explain the difference between a 'composto' and a 'mistura' using technical terms. Your grammar is solid, and you never confuse the noun form with the adjective form. You also recognize 'composto' in complex grammatical structures like 'tempos compostos' and can explain how they are formed. You are using the word to add professional weight to your speech and writing.

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At the C1 level, 'composto' is a versatile tool in your vocabulary. You use it in highly specialized discussions, whether in chemistry, linguistics, or finance, with total accuracy. You can discuss the etymology of the word (from Latin 'compositus') and how it relates to other words in the same family. You might use it metaphorically in literary analysis or high-level political discourse to describe the multifaceted nature of an entity. You are aware of regional variations in how the word might be used (e.g., 'composto lácteo' in Brazil). Your use of the word is indistinguishable from that of a native speaker, and you can use it to create complex, nuanced sentences that reflect a deep understanding of structural integration.

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At the C2 level, you have a masterly command of 'composto'. You can use it in the most formal academic papers or the most technical scientific reports. You understand the philosophical implications of 'the compound' vs. 'the simple' and can engage in debates about the nature of substances and structures. You use the word effortlessly in all its forms—noun, adjective, and as part of complex grammatical labels. You can appreciate and use the word in poetic or highly rhetorical contexts, playing with its meaning of 'integration' and 'unity'. For you, 'composto' is not just a vocabulary word; it's a conceptual building block that you use to articulate sophisticated ideas about the world's complexity.

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練習する例文メモとヒント

composto 30秒で

A 'composto' is a noun meaning a compound or composite made of multiple parts.
It is primarily used in chemistry, engineering, finance, and linguistics.
As a noun, it is masculine ('o composto') and pluralizes to 'os compostos'.
It differs from a 'mistura' (mixture) by implying a stronger structural or chemical bond.

The Portuguese word composto, when used as a noun, primarily refers to a substance or a thing that is formed by the combination of two or more distinct elements, parts, or ingredients. In a scientific context, specifically chemistry, a composto is a chemical compound—a substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds. However, its utility extends far beyond the laboratory. It can describe a linguistic structure (a compound word), a mechanical assembly, or even a conceptual mixture of ideas. Understanding 'composto' requires recognizing the transition from individual components to a unified whole that possesses its own unique properties, different from the parts that created it.

Chemical Definition: A substance formed when two or more chemical elements are chemically bonded together. For example, water (H2O) is a compound made of hydrogen and oxygen.

O cientista analisou o composto para identificar suas propriedades moleculares.

In daily life, you might encounter this word when discussing materials. A 'material composto' (composite material) is engineered from two or more constituent materials with significantly different physical or chemical properties. When combined, they produce a material with characteristics different from the individual components, like carbon fiber or reinforced concrete. The noun form implies a result of a process—the act of 'composing' or putting together. It is important to distinguish this from a simple 'mistura' (mixture), where components are mixed but not necessarily bonded or transformed into a new entity. A 'composto' suggests a higher degree of integration and structural unity.

Linguistic Context: In grammar, a 'substantivo composto' is a noun made of two or more words, like 'guarda-chuva' (umbrella).

Este plástico é um composto de resina e fibras vegetais.

Furthermore, the term is used in finance and mathematics. 'Juros compostos' (compound interest) refers to interest calculated on the initial principal, which also includes all of the accumulated interest from previous periods. While 'composto' here functions more as an adjective modifying 'juros', the concept of 'o composto' can sometimes be used substantively in technical discussions about financial structures. The essence of the word remains the same: the layering or combining of parts to create a more complex, unified whole. Whether you are talking about a medicine (a pharmaceutical compound), a fertilizer (composto orgânico), or a complex idea, you are highlighting the multifaceted nature of the object in question.

O solo precisa de um composto rico em nitrogênio para as plantas crescerem.

Technical Usage: Used in engineering to describe materials like alloys or composites that provide superior strength-to-weight ratios.

A água é o composto mais abundante na superfície da Terra.

O remédio é um composto de várias ervas medicinais.

Using composto correctly requires a clear understanding of its grammatical role. As a noun, it is masculine: o composto (singular) and os compostos (plural). It is frequently followed by the preposition de (of) or por (by/composed of) when you want to specify what the compound is made of. For example, 'um composto de ferro e carbono' (a compound of iron and carbon). When you use it in a sentence, it often acts as the subject or the direct object, especially in scientific, technical, or academic writing. Because it is a B1 level word, you should start integrating it into your vocabulary to replace simpler words like 'coisa' (thing) or 'mistura' (mixture) when you are describing something with a specific structure.

Prepositional Usage: Always use 'de' to indicate ingredients: 'Um composto de elementos químicos'. Use 'para' to indicate purpose: 'Um composto para fertilização'.

Eles criaram um novo composto para limpar oceanos.

One of the most common ways to use 'composto' is in the phrase 'composto orgânico'. In a household setting, this refers to compost. If you are talking about gardening, you might say, 'Vou adicionar composto ao meu jardim' (I am going to add compost to my garden). In a chemistry lab, you would use it to describe any organic compound. Another common usage is in linguistics: 'palavra composta' (compound word). Although 'composta' here is an adjective, learners often confuse the two. As a noun, 'o composto' stands alone as the entity itself. In finance, 'o poder dos juros compostos' (the power of compound interest) is a ubiquitous phrase, though 'compostos' here again modifies 'juros'. To use the noun effectively, focus on contexts where you are identifying a specific substance or result of a combination.

Professional Contexts: In pharmaceutical industries, 'composto ativo' refers to the active ingredient in a drug. In civil engineering, 'composto de cimento' refers to a specific concrete mix.

O composto final deve ser armazenado em local seco.

When writing, 'composto' adds a level of precision. Instead of saying 'esta mistura de remédios', saying 'este composto farmacêutico' suggests a more professional and scientifically accurate description. In academic essays, you might use it to describe a 'composto social' (social composite), referring to the various layers of society. However, be careful not to overuse it where 'mistura' (mixture) or 'conjunto' (set/group) might be more appropriate. 'Composto' implies that the parts have been integrated into a new, single unit. If the parts are just sitting next to each other without forming a new identity, 'mistura' is usually better. Practice by identifying things around you that are made of multiple parts and deciding if they qualify as a 'composto'.

Este material é um composto altamente resistente ao calor.

Common Collocations: Composto químico, composto orgânico, composto iônico, composto molecular, composto binário.

O composto de borracha é ideal para pneus de corrida.

Analisamos o composto sob o microscópio.

You will encounter the word composto in a variety of settings, ranging from the highly academic to the surprisingly domestic. In educational environments, particularly during science classes (chemistry and biology), it is a fundamental term. Teachers will frequently discuss 'compostos químicos' and 'compostos orgânicos'. If you are watching a documentary about the environment or agriculture in Portuguese, you will hear about 'composto' in the context of composting and sustainable farming. It is also a staple in news reports concerning the pharmaceutical industry, especially when discussing the development of new drugs or the chemical makeup of vaccines. In these contexts, 'composto' signifies a level of complexity and scientific rigor.

In the News: 'A empresa anunciou a descoberta de um novo composto que pode curar a doença.' (The company announced the discovery of a new compound that could cure the disease.)

O jornal publicou um artigo sobre o composto tóxico encontrado no rio.

In the business and financial world, the term appears frequently in discussions about 'juros compostos' (compound interest). Financial advisors and banking apps in Brazil and Portugal will use this term to explain how savings grow over time. While it's technically an adjective there, the concept of 'o composto' as a mathematical result is often implied. Furthermore, in the manufacturing and construction industries, 'materiais compostos' are a hot topic. You might hear engineers talking about the 'composto de fibra de vidro' (fiberglass composite) used in boat building or aerospace. In these professional settings, 'composto' is associated with innovation and high-performance materials.

Daily Life: At a garden center: 'Este composto é o melhor para orquídeas.' (This compost is the best for orchids.)

O banco explicou como o composto de juros aumenta sua dívida.

Linguistics and grammar lessons are another place where 'composto' is a keyword. Students learning Portuguese grammar will spend a lot of time on 'substantivos compostos' (compound nouns) and 'tempos compostos' (compound tenses, like 'tenho feito'). Even though these are grammatical categories, the word 'composto' is the label used to identify them. Finally, in the culinary world, though less common than 'mistura', you might hear 'composto' used for specific spice blends or processed food bases. For instance, a 'composto de ervas' might be a pre-packaged seasoning. In all these areas, hearing 'composto' should trigger the idea of something that has been intentionally put together to serve a specific purpose or to create a new substance.

Na aula de química, aprendemos a fórmula de cada composto.

Academic Research: Research papers often use 'composto' to describe the subject of study: 'O composto X demonstrou alta estabilidade'.

O engenheiro testou a flexibilidade do composto de carbono.

O composto vitamínico ajudou na recuperação do atleta.

One of the most frequent mistakes learners make with composto is confusing its noun and adjective forms. As a noun, it means 'a compound' (the thing itself). As an adjective, it means 'composed of' or 'compound' (describing something). For example, 'A água é um composto' (noun) vs. 'O prato é composto por arroz e feijão' (adjective). In the adjective form, it must agree in gender and number with the noun it describes: 'esta substância é composta' (feminine) or 'estes elementos são compostos' (plural). Many students forget this agreement and use the masculine singular 'composto' for everything, which is grammatically incorrect when used as an adjective.

Mistake: Gender Agreement: Incorrect: 'A mistura é composto de água.'
Correct: 'A mistura é composta de água.' (Adjective)
Correct: 'A água é um composto.' (Noun)

Não confunda o composto químico com uma simples mistura física.

Another common error is using 'composto' when 'mistura' (mixture) is more appropriate. While they are related, they are not always interchangeable. A 'composto' usually implies a chemical or structural bond where the individual parts are no longer easily separable or have changed their nature. A 'mistura' is just things put together, like a salad or a mix of nuts. If you say 'um composto de frutas', a native speaker might think you've blended them into a paste or a new substance, whereas 'uma mistura de frutas' clearly means a fruit salad. Using 'composto' for simple mixtures can sound overly technical or slightly unnatural in casual conversation.

Mistake: Preposition Confusion: Learners sometimes use 'com' instead of 'de' or 'por'.
Incorrect: 'Um composto com ferro.'
Correct: 'Um composto de ferro.' or 'Um composto formado por ferro.'

O erro foi tratar o composto como se fosse apenas água pura.

Furthermore, in the context of 'juros compostos', students often forget the pluralization. It is 'juros compostos' because 'juros' is plural. Saying 'juro composto' is technically possible but much less common in financial discussions. Lastly, be careful with the word 'componente'. A 'componente' is one of the parts that makes up the 'composto'. Don't say 'o composto do motor' if you mean one part of the motor; say 'o componente do motor'. The 'composto' would be the entire material or the whole assembly if it's treated as a single unit. Distinguishing between the whole (composto) and the parts (componentes) is key to sounding like a proficient speaker.

O composto não reagiu como esperado durante o experimento.

False Friends: In English, 'compost' is specifically for gardening. In Portuguese, 'composto' is much broader, covering chemistry and linguistics too.

A análise do composto revelou traços de impurezas.

Muitos alunos confundem o composto com um elemento simples.

To truly master composto, you should understand how it relates to and differs from similar Portuguese words. The most common synonym in a general sense is mistura (mixture), but as discussed, 'mistura' is less formal and implies a less permanent or integrated combination. Another related word is combinação (combination), which is more abstract and can refer to a set of clothes, a sequence of numbers, or a conceptual pairing. While a 'composto' is a physical or structural result, a 'combinação' is often the act or the arrangement itself. In scientific terms, substância (substance) is a broader term; all compounds are substances, but not all substances (like pure elements) are compounds.

Composto vs. Mistura: 'Composto' implies a chemical bond or a new unified entity. 'Mistura' implies parts that are mixed but retain their individual properties (like oil and water).

A água é um composto, enquanto o ar é uma mistura de gases.

In the context of materials, you might hear amálgama (amalgam). While originally referring to mercury alloys in dentistry, it is used metaphorically to describe a rich, complex blend of different cultures, styles, or ideas. However, 'amálgama' is much more literary and formal than 'composto'. Another word is aglomerado (agglomerate), which refers to a mass of things gathered together, often without a specific structure, like 'um aglomerado de pessoas' (a crowd). In construction, 'aglomerado' refers to particle board, which is a type of 'composto', but the terms are used for different specific materials. Understanding these nuances helps you choose the word that best fits the level of integration you want to describe.

Composto vs. Elemento: An 'elemento' (element) is a pure substance like Gold (Au). A 'composto' is a combination of elements like Salt (NaCl).

O composto de bronze é uma liga de cobre e estanho.

In linguistics, 'composto' is contrasted with simples. A 'palavra simples' has one root, while a 'palavra composta' has two or more. In finance, 'juros compostos' are contrasted with juros simples. This binary opposition—simple vs. compound—is a helpful way to remember the meaning of 'composto'. If something has multiple layers, stages, or ingredients that have been integrated, it is 'composto'. If it is a single, irreducible unit, it is 'simples'. By learning these pairs, you build a more robust mental map of the Portuguese language. Whether you are in a lab, a bank, or a classroom, these distinctions will help you communicate with greater clarity and sophistication.

O composto resultante era mais forte que suas partes originais.

Other Related Terms: Sintético (synthetic), Artificial (artificial), Complexo (complex), Integrado (integrated).

Este composto é a base de toda a indústria de plásticos.

O composto final superou todas as expectativas de resistência.

How Formal Is It?

難易度

知っておくべき文法

Gender agreement (when used as adjective)

Pluralization of nouns ending in 'o'

Use of hyphens in compound nouns

Formation of compound tenses (ter/haver + participle)

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レベル別の例文

A água é um composto.

Water is a compound.

Simple noun usage.

O composto é bom para a terra.

The compost is good for the soil.

Referring to organic compost.

Este é um composto de cores.

This is a compound of colors.

General use of 'composto'.

O sal é um composto químico.

Salt is a chemical compound.

Common scientific example.

Eu uso composto no meu jardim.

I use compost in my garden.

Domestic usage.

O composto tem um cheiro forte.

The compost has a strong smell.

Descriptive sentence.

Eles fazem o composto em casa.

They make the compost at home.

Action verb with noun.

O composto ajuda as flores.

The compost helps the flowers.

Subject of the sentence.

O guarda-chuva é um substantivo composto.

Umbrella is a compound noun.

Linguistic context.

O composto orgânico é feito de restos de comida.

Organic compost is made of food scraps.

Defining the noun.

O cientista estuda o novo composto.

The scientist studies the new compound.

Scientific context.

Este material é um composto de plástico e metal.

This material is a compound of plastic and metal.

Describing composition.

O composto de juros pode ser perigoso.

The compounding of interest can be dangerous.

Financial context.

Nós compramos um composto vitamínico.

We bought a vitamin compound.

Health context.

O solo é rico em composto natural.

The soil is rich in natural compost.

Environmental context.

O composto químico reagiu com o fogo.

The chemical compound reacted with the fire.

Action context.

O composto de carbono é essencial para a vida.

The carbon compound is essential for life.

Scientific noun usage.

A empresa patenteou um novo composto farmacêutico.

The company patented a new pharmaceutical compound.

Business/Science context.

O engenheiro explicou as vantagens do composto de fibra.

The engineer explained the advantages of the fiber composite.

Technical context.

O composto de juros faz sua poupança crescer rápido.

Compound interest makes your savings grow fast.

Financial context.

Este remédio é um composto de várias substâncias ativas.

This medicine is a compound of several active substances.

Medical context.

O composto resultante da reação era um gás azul.

The compound resulting from the reaction was a blue gas.

Describing a result.

A análise do composto revelou a presença de toxinas.

The analysis of the compound revealed the presence of toxins.

Analytical context.

O composto de borracha usado nos pneus é secreto.

The rubber compound used in the tires is secret.

Industrial context.

O composto social da cidade é extremamente diverso.

The social composite of the city is extremely diverse.

Metaphorical/Sociological usage.

A estabilidade do composto depende da temperatura ambiente.

The stability of the compound depends on the ambient temperature.

Technical precision.

O composto binário é formado por apenas dois elementos.

The binary compound is formed by only two elements.

Specific scientific term.

Eles desenvolveram um composto biodegradável para embalagens.

They developed a biodegradable compound for packaging.

Environmental innovation.

O composto de juros é a base do sistema financeiro moderno.

Compound interest is the basis of the modern financial system.

Conceptual usage.

A toxicidade do composto foi testada em laboratório.

The toxicity of the compound was tested in the lab.

Formal scientific usage.

O composto de marketing inclui preço, praça, produto e promoção.

The marketing mix includes price, place, product, and promotion.

Business terminology (Marketing Mix).

O composto cristalino brilhava sob a luz ultravioleta.

The crystalline compound glowed under ultraviolet light.

Descriptive academic style.

A síntese deste composto orgânico exigiu meses de pesquisa.

The synthesis of this organic compound required months of research.

Advanced scientific vocabulary.

O composto de influências barrocas é visível na arquitetura local.

The composite of Baroque influences is visible in the local architecture.

Artistic/Historical context.

A volatilidade do composto dificulta seu transporte seguro.

The volatility of the compound makes its safe transport difficult.

Technical/Logistical context.

O composto de juros pode levar ao endividamento sistêmico.

Compound interest can lead to systemic indebtedness.

Economic analysis.

O composto lácteo gerou polêmica entre os nutricionistas.

The dairy compound sparked controversy among nutritionists.

Specific cultural/consumer context.

A estrutura molecular do composto foi mapeada com precisão.

The molecular structure of the compound was mapped with precision.

High-level science.

O composto de materiais reciclados provou ser muito durável.

The composite of recycled materials proved to be very durable.

Sustainability context.

O composto de elementos trágicos e cômicos define a obra.

The composite of tragic and comic elements defines the work.

Literary criticism.

A ontologia do composto desafia a noção de substância simples.

The ontology of the compound challenges the notion of simple substance.

Philosophical usage.

O composto polimérico apresenta propriedades reológicas únicas.

The polymeric compound exhibits unique rheological properties.

Highly specialized engineering.

A eficácia do composto é mitigada por fatores exógenos.

The effectiveness of the compound is mitigated by exogenous factors.

Academic/Formal register.

O composto de juros é o motor invisível da acumulação de capital.

Compound interest is the invisible engine of capital accumulation.

Socio-economic theory.

A reatividade intrínseca do composto exige manuseio rigoroso.

The intrinsic reactivity of the compound demands rigorous handling.

Safety/Technical context.

O composto de narrativas fragmentadas cria uma experiência imersiva.

The composite of fragmented narratives creates an immersive experience.

Advanced literary theory.

O composto de minerais raros foi extraído em condições extremas.

The composite of rare minerals was extracted under extreme conditions.

Industrial/Geological context.

A decomposição térmica do composto libera subprodutos inertes.

The thermal decomposition of the compound releases inert byproducts.

Technical chemistry.

よく使う組み合わせ

composto químico

composto orgânico

juros compostos

composto iônico

composto molecular

composto de marketing

composto lácteo

composto vitamínico

material composto

composto binário

よく使うフレーズ

em estado composto

composto de

formar um composto

analisar o composto

composto por

juros sobre juros (compostos)

composto de fibras

composto ativo

substantivo composto

tempo composto

よく混同される語

composto vs mistura (mixture - less integrated)

composto vs componente (component - a part of the whole)

composto vs elemento (element - a pure substance)

慣用句と表現

"O poder do composto (referring to compound interest)"

"Um composto de emoções (a mix of emotions)"

"Composto de contradições (made of contradictions)"

"Ser um composto de (to be made up of)"

"O composto da vida (the makeup of life)"

"Composto de retalhos (made of scraps/patches)"

"Um composto explosivo (a dangerous combination)"

"Composto de influências (a mix of influences)"

"Composto de talentos (a combination of talents)"

"O composto perfeito (the perfect mix)"

間違えやすい

composto vs composta

composto vs composição

composto vs composto lácteo

composto vs juros compostos

composto vs substantivo composto

文型パターン

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使い方

finance

Refers to interest on interest.

chemistry

Strictly refers to bonded elements.

gardening

Refers to decayed organic matter.

よくある間違い

Using 'composto' as a feminine noun.
Confusing 'composto' with 'mistura' in casual cooking.
Forgetting gender agreement for the adjective form.
Using 'composto' to mean a building complex.
Saying 'composto com' instead of 'composto de'.

ヒント

Science Focus

When studying chemistry in Portuguese, always use 'composto' for substances like CO2 or H2O. It shows you understand the difference between elements and compounds. This is a key term in any scientific exam or discussion.

Noun vs Adjective

Be careful! 'O composto' (the compound) is a noun. 'Ele é composto de...' (It is composed of...) uses it as an adjective. As an adjective, it must change to 'composta' if the subject is feminine. This is a common B1-level trap.

Investment Logic

Understanding 'juros compostos' is vital for financial literacy in Portuguese-speaking countries. When reading bank contracts, look for this term to understand how your money will grow or how much debt you will accumulate.

Organic Living

If you are interested in sustainability, learn the term 'compostagem' (composting). The result of this process is the 'composto orgânico'. It's a great topic for conversation with eco-conscious Portuguese speakers.

Word Formation

Portuguese has many 'palavras compostas'. Learning them helps you understand how the language builds new meanings. For example, 'para' (stop) + 'choque' (crash) = 'parachoque' (bumper). These are all 'compostos' in a linguistic sense.

Engineering Tip

In modern construction, 'materiais compostos' are everywhere. If you work in architecture or engineering, use this term to describe fiber-reinforced materials. It sounds much more professional than saying 'mistura de materiais'.

Nasal Sounds

Practice the nasal 'om' in 'composto'. It shouldn't sound like 'com' in English. Close your mouth slightly and let the air go through your nose. This is a hallmark of natural-sounding Portuguese.

Academic Style

In essays, use 'composto' to describe multifaceted concepts. Instead of saying 'a situation with many parts', say 'um composto de fatores'. This elevates your writing to a B2 or C1 level.

Consumer Awareness

In Brazil, always check if a product is 'leite' or 'composto lácteo'. This is a practical life skill for anyone living in or visiting Brazil. The 'composto' is usually cheaper but has different nutritional values.

Latin Roots

Remember the Latin 'componere'. If you know 'component' or 'composition' in English, you already know the core of 'composto'. Use these cognates to help anchor the word in your memory.

暗記しよう

語源

From Latin 'compositus', the past participle of 'componere'.

文化的な背景

Used in mining contexts to describe mineral compounds.

High awareness of 'composto lácteo' due to consumer protection laws.

Frequent use in art and history to describe architectural styles.

実生活で練習する

実際の使用場面

会話のきっかけ

"Você sabe a diferença entre uma mistura e um composto?"

"Você usa composto orgânico no seu jardim?"

"Como os juros compostos afetam sua conta bancária?"

"Qual é o composto químico mais perigoso que você conhece?"

"Você já estudou substantivos compostos em português?"

日記のテーマ

Descreva um composto químico que é importante no seu dia a dia.

Escreva sobre as vantagens de usar composto orgânico na agricultura.

Explique como você entende o conceito de juros compostos.

Pense em um 'composto social' e descreva suas partes.

Crie uma lista de substantivos compostos que você usa sempre.

よくある質問

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Um composto químico é uma substância pura formada por dois ou mais elementos que estão quimicamente ligados. Por exemplo, a água é um composto de hidrogênio e oxigênio. Diferente de uma mistura, as partes de um composto não podem ser separadas fisicamente. Elas formam uma nova substância com propriedades únicas.

A principal diferença é a ligação entre os componentes. Em um composto, os elementos estão ligados quimicamente e perdem suas propriedades originais. Em uma mistura, os componentes são apenas colocados juntos e mantêm suas propriedades. Por exemplo, o sal é um composto, mas a água salgada é uma mistura.

No contexto de jardinagem, 'composto' refere-se à matéria orgânica decomposta. É feito de restos de comida, folhas e grama que apodreceram de forma controlada. Esse composto é usado como um fertilizante natural muito rico para as plantas. Ele ajuda a melhorar a qualidade do solo e o crescimento das flores.

Em finanças, usamos quase sempre o termo 'juros compostos'. Isso significa que os juros de cada período são somados ao valor principal para o cálculo dos juros do período seguinte. É o famoso 'juros sobre juros'. O substantivo 'composto' raramente é usado sozinho aqui, mas o conceito é fundamental para investimentos.

Geralmente não usamos 'composto' para descrever uma pessoa fisicamente. No entanto, podemos dizer metaforicamente que alguém é um 'composto de contradições' ou um 'composto de talentos'. Isso significa que a personalidade da pessoa é formada por várias características diferentes que se integram.

O plural de composto é 'compostos'. Segue a regra geral dos substantivos masculinos terminados em 'o'. Exemplo: 'Os cientistas descobriram novos compostos na Amazônia'. Se for usado como adjetivo feminino, o plural é 'compostas', como em 'palavras compostas'.

É um produto alimentício que contém pelo menos 51% de base láctea (leite). O restante pode ser composto por outros ingredientes como açúcar, óleos vegetais e vitaminas. No Brasil, é importante ler o rótulo para não confundir composto lácteo com leite em pó integral.

A tradução mais direta para 'compound' (substantivo) é 'composto'. Se você estiver falando de um complexo de edifícios, pode usar 'complexo' ou 'recinto'. Mas para química, materiais e finanças, 'composto' é a palavra correta.

É um substantivo formado por mais de uma palavra (radical). Exemplos comuns são 'guarda-chuva', 'beija-flor' e 'passatempo'. Eles funcionam como uma única unidade de significado, mesmo sendo formados por partes diferentes.

A palavra vem do latim 'compositus', que é o particípio passado do verbo 'componere'. 'Com' significa 'junto' e 'ponere' significa 'colocar'. Portanto, a origem literal é 'colocado junto' ou 'reunido'.

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