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A1 noun #2,758 le plus courant 8 min de lecture

炭素

tanso Top 2,758

Entraîne-toi Exemples Notes et astuces 炭素 en 30 secondes

Explication 炭素 in your Level:

At the A1 level, you only need to know that 炭素 (tanso) means 'carbon'. It is a word you might see in a very simple science book or a news headline. Think of it as a building block. You might learn it alongside words like 'oxygen' (酸素 - sanso) or 'water' (水 - mizu). At this stage, just remember that 炭素 is the 'C' in science. You don't need to use it in complex sentences yet. Just recognize that it's a noun. For example, if you see a picture of a diamond or a piece of charcoal, the word 炭素 describes what they are made of. It's a fundamental word, even if it feels a bit scientific. You might hear it in a simple sentence like 'This is carbon.' In Japanese: 'Kore wa tanso desu.' It's a good word to learn early because the kanji 炭 (charcoal) and 素 (element) are very useful on their own. 炭 is used in 'sumibi' (charcoal fire) which you might see at a BBQ restaurant (Yakiniku). 素 is used in 'suteki' (wonderful) or 'sozai' (material). By learning 炭素, you are building a foundation for many other words.

At the A2 level, you can start using 炭素 (tanso) in simple descriptive sentences. You might describe what something is made of using the pattern '...wa tanso de dekite imasu' (is made of carbon). You will also start to see it in environmental contexts. You might recognize the word 'carbon dioxide' as 'nisankatanso'. Even if you can't say long sentences about the environment, you can understand that 'tanso' relates to nature and science. You might learn that plants need carbon. You can also start to distinguish between 'tanso' (the element) and 'sumi' (charcoal you use for a grill). This is a great time to notice how Japanese combines kanji to make new words. For example, 炭素 (carbon) + 繊維 (fiber) = 炭素繊維 (carbon fiber). You might see this on a tag for a high-tech jacket or a sports car. Understanding that 'tanso' is the root will help you guess the meaning of these longer words. You should also be able to answer simple questions like 'What is a diamond made of?' with 'Tanso desu.'

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At the B1 level, you should be able to follow a basic news report or a science documentary that mentions 炭素 (tanso). You will encounter terms like 'tanso chūritsu' (carbon neutral) and 'dattanso' (decarbonization). These are very common in Japan today. You should be able to explain, in simple Japanese, why carbon is important for life or why too much carbon dioxide is a problem for the Earth. You will also notice the difference between the scientific term 炭素 and the katakana term カーボン. You'll use カーボン for sports gear or fashion, and 炭素 for science or environmental policy. You can start using the particle 'no' to create phrases like 'tanso no kagōbutsu' (carbon compounds). Your vocabulary is expanding to include the 'carbon cycle' (tanso junkan). At this level, you are moving from just knowing the word to understanding its role in global issues. You can participate in a simple discussion about climate change using 炭素 as a key vocabulary point.

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At the B2 level, you can use 炭素 (tanso) in more technical and abstract discussions. You understand its role in organic chemistry (yūki kagaku) and can discuss concepts like 'allotropes' (dōsōtai) of carbon, such as graphite and diamonds. You are comfortable reading newspaper articles about 'carbon taxes' (tanso-zei) or 'carbon credits' (tanso-kurejitto). You can explain the process of 'carbon dating' (tanso nendai sokutei) in archaeological contexts. Your grammar allows you to use 炭素 in complex sentences with relative clauses, such as 'The amount of carbon emitted by this factory is decreasing.' You also understand the nuance of when to use the katakana 'carbon' versus the kanji 'tanso' in professional settings. You might use 炭素 when writing a formal report on sustainability for a company. You can also differentiate between 'tanso' and 'sekitan' (coal) without hesitation, even in fast-paced conversations. This level requires a firm grasp of both the scientific and the socio-political aspects of the word.

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At the C1 level, you possess a deep understanding of 炭素 (tanso) and its various applications. You can read academic papers or listen to university lectures on atmospheric science or materials engineering where 炭素 is a central theme. You understand specific terms like 'carbon sequestration' (tanso kotei) or 'carbon nanotubes' (tanso nanochūbu). You can debate the economic and social impacts of a 'decarbonized society' (dattanso shakai) with native speakers, using sophisticated vocabulary and formal grammar structures. You are aware of the historical etymology of the kanji and how the word was coined in the Meiji era to translate Western scientific concepts. You can use the word in metaphors or advanced scientific analogies. Your usage of 炭素 is precise, and you can switch between technical jargon and layman's terms depending on your audience. You might also be familiar with the role of carbon in the steel industry (tanso-kō - carbon steel), which is vital to the Japanese economy.

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At the C2 level, your mastery of 炭素 (tanso) is equivalent to that of an educated native speaker or a specialist in a related field. You can synthesize information from multiple complex sources—such as legal documents regarding carbon emissions trading, high-level scientific research on carbon-based life forms, and philosophical essays on the nature of the elements. You can use 炭素 in highly nuanced ways, perhaps discussing the 'carbon footprint of the digital economy' or 'isotopic signatures of carbon in paleoclimatology.' You are capable of giving a keynote speech or writing a published article on the transition to a 'net-zero' (netto-zero) future. You understand the subtle cultural connotations of 'carbon' in Japan, from its traditional roots in charcoal-making to its modern status as a symbol of technological progress and environmental responsibility. Your command of the language allows you to use 炭素 with absolute precision, elegance, and contextual appropriateness in any imaginable scenario.

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Entraîne-toi Exemples Notes et astuces

炭素 en 30 secondes

炭素 means carbon, the chemical element (C).
It is the basis of all life and organic chemistry.
Commonly used in environmental terms like 'carbon neutral'.
Different from 'coal' (sekitan) and 'charcoal' (sumi).

The word 炭素 (たんそ - tanso) is the Japanese term for the chemical element carbon. In scientific terms, it is the element with atomic number 6. However, in daily Japanese conversation and media, its usage spans from basic science to urgent environmental discussions. The term is a compound of two kanji: 炭 (sumi), meaning charcoal or coal, and 素 (moto), meaning element or basis. Together, they literally translate to the 'charcoal element,' which perfectly describes its most common natural appearance in the form of soot or coal.

Scientific Context: In chemistry, 炭素 is the backbone of organic molecules. You will hear it in academic settings when discussing the periodic table or molecular structures.

ダイヤモンドは、純粋な炭素からできています。(Diamonds are made of pure carbon.)

Beyond the lab, 炭素 is a buzzword in modern environmental politics. Terms like 炭素中立 (tanso chūritsu - carbon neutral) and 脱炭素 (dattanso - decarbonization) are seen daily on Japanese news broadcasts (NHK) and in newspapers like the Asahi Shimbun. This reflects Japan's national goals to reduce greenhouse gas emissions. When you hear 'tanso' in a news clip, it is almost always referring to the environmental impact of carbon dioxide emissions rather than the physical element itself.

Environmental Context: Used to discuss carbon footprints (炭素足跡) and the reduction of CO2 to combat global warming.

この自転車のフレームは炭素繊維でできています。(This bicycle frame is made of carbon fiber.)

Furthermore, the word is essential in biology. Since all known life is carbon-based, the term 炭素生命体 (tanso seimeitai) or 'carbon-based life form' appears in science fiction and biological documentaries. It is a foundational word that bridges the gap between the physical world we touch (charcoal) and the invisible atmospheric changes we face today.

Material Science: Refers to carbon fiber (炭素繊維), used in sports equipment and aerospace for its strength and light weight.

植物は光合成によって、空気中の炭素を取り込みます。(Plants take in carbon from the air through photosynthesis.)

地質学者は、岩石に含まれる炭素の量を調べました。(Geologists examined the amount of carbon contained in the rocks.)

Using 炭素 (tanso) correctly requires understanding its role as a noun that often acts as a modifier for other nouns. In Japanese grammar, 炭素 is frequently followed by the particle の to describe what something is made of or what it relates to. For example, 炭素の化合物 (carbon compounds). It is a formal, precise word, so it typically appears in desu/masu style in educational settings or da/dearu style in academic papers.

Basic Identification: Used to define the composition of a substance. Sentence: 「これは炭素の塊です」(This is a lump of carbon).

すべての有機物は、骨格として炭素を含んでいます。(All organic matter contains carbon as a skeleton.)

In environmental discussions, 炭素 often combines with other kanji to form compound nouns (jukugo). You don't usually say 'the carbon is increasing' in a casual way; instead, you say 'carbon dioxide (二酸化炭素)' or 'carbon emissions (炭素排出)'. When building sentences about the environment, remember that 炭素 is the root word for many complex terms. If you are writing a report or giving a presentation, using these compounds correctly is key to sounding professional.

Compound Formation: 炭素 + 排出 (emission) = 炭素排出. Sentence: 「炭素排出量を減らす必要があります」(We need to reduce carbon emissions).

政府は2050年までに炭素中立を実現すると宣言しました。(The government declared it would achieve carbon neutrality by 2050.)

When describing physical properties, 炭素 is used to explain the science behind everyday objects. For instance, explaining why a pencil writes (graphite is carbon) or why a diamond is hard (carbon structure). In these cases, 炭素 often appears with the verb 'から成る' (kara naru - to consist of) or 'でできている' (de dekite iru - to be made of). This helps learners describe the fundamental nature of things around them.

Descriptive Usage: Using 'de dekite iru' to explain composition. Sentence: 「鉛筆の芯は炭素の一種である黒鉛でできています」(Pencil lead is made of graphite, which is a type of carbon).

大気中の炭素循環は、地球の気候に大きな影響を与えます。(The carbon cycle in the atmosphere has a major impact on the Earth's climate.)

科学者は、その隕石から未知の炭素構造を発見しました。(Scientists discovered an unknown carbon structure from that meteorite.)

If you are living in Japan or consuming Japanese media, you will encounter 炭素 (tanso) in several specific environments. The most common is the evening news. Japan is highly focused on 'SDGs' (Sustainable Development Goals), and the phrase 脱炭素社会 (dattanso shakai - decarbonized society) is a staple of political discourse. You'll hear it in speeches by the Prime Minister, in corporate advertisements promoting 'green' technology, and in school textbooks from elementary level upwards.

Media & News: Frequent in reports on climate change, international treaties like the Paris Agreement, and energy policy.

今日のニュースで、新しい炭素税の導入について議論されていました。(On today's news, they were discussing the introduction of a new carbon tax.)

Another place you'll hear it is in the automotive and tech industries. Japan is home to giants like Toyota and Honda, who are constantly researching 炭素繊維強化プラスチック (CFRP - Carbon Fiber Reinforced Plastic). If you visit a car showroom or a high-end bicycle shop in areas like Shinjuku or Umeda, the salesperson might highlight the 'tanso' components of the product to emphasize its lightness and durability. This technical usage is very common in marketing materials.

Industrial Marketing: Used to sell high-performance goods. 'Carbon' sounds modern and high-tech to Japanese consumers.

この最新モデルは、炭素素材を使用することで軽量化に成功しました。(This latest model succeeded in weight reduction by using carbon materials.)

In the classroom, 炭素 is unavoidable. Japanese students learn about the 炭素循環 (tanso junkan - carbon cycle) and 炭素14年代測定法 (tanso 14 nendai sokuteihō - carbon-14 dating) in junior high and high school. If you are watching an educational program on NHK E-Tele (Japan's educational channel), you will see diagrams explaining how carbon moves through plants, animals, and the atmosphere. It is a word that signifies education and scientific literacy.

Educational Settings: Heard in science classes and documentaries explaining archaeology or biology.

考古学者は炭素年代測定を使って、その土器の年代を特定しました。(Archaeologists used carbon dating to identify the age of that pottery.)

理科の授業で、炭素の同素体について学びました。(In science class, we learned about the allotropes of carbon.)

One of the most frequent mistakes English speakers make is confusing 炭素 (tanso) with 石炭 (sekitan). While they share the kanji 炭 (charcoal), 石炭 (sekitan) specifically means 'coal' (the rock you burn for fuel), whereas 炭素 (tanso) is the chemical element 'carbon'. If you say 'I burned carbon to stay warm,' it sounds like a strange laboratory experiment. Always use 石炭 for the fuel and 炭素 for the element.

Tanso vs. Sekitan: 炭素 = Element (C). 石炭 = Fossil fuel (Coal). Don't swap them!

× このストーブは炭素で動きます。(Wrong: This stove runs on carbon.)
○ このストーブは石炭で動きます。(Right: This stove runs on coal.)

Another mistake involves the word for 'carbohydrates'. In English, 'carbon' and 'carbohydrates' are linguistically linked. However, in Japanese, 'carbohydrates' is usually 炭水化物 (tanshuikabutsu). While it contains the kanji for carbon (炭) and water (水), you cannot just shorten it to 'tanso' when talking about your diet. If you say 'I'm avoiding carbon,' a Japanese person will be very confused about why you've stopped interacting with organic matter!

Dietary Terms: Use 炭水化物 (tanshuikabutsu) for carbs. Never use 炭素 (tanso) in a nutritional context.

× ダイエット中なので、炭素を控えています。(Wrong: I'm cutting back on carbon for my diet.)
○ ダイエット中なので、炭水化物を控えています。(Right: I'm cutting back on carbs.)

Lastly, be careful with the pronunciation of the 'n' in 'tanso'. It is a nasal sound that leads into the 's'. If you pronounce it too much like 'tan-so' with a hard 'n' break, it might sound like 'tan-zo' (organ/viscera) or other similar-sounding words. Keep the flow smooth. Also, remember that 炭素 is a very formal word; using it in a very casual setting without context might make you sound like a scientist or a textbook.

Register and Pronunciation: Keep it formal. Don't confuse it with 'Tanzō' (a Japanese name or 'forging').

その工場は、大量の二酸化炭素を排出しています。(That factory emits a large amount of carbon dioxide.)

While 炭素 (tanso) is the specific name for the element, there are several related words that you might need depending on the context. Understanding the nuance between these terms will help you sound more like a native speaker and less like a dictionary.

カーボン (Kābon): This is the katakana version of 'carbon'. It is used primarily for materials (carbon fiber, carbon paper) and in trendy environmental terms like 'Carbon Neutral' (カーボンニュートラル). If you're talking about a cool bicycle or a tennis racket, use カーボン.

このラケットはカーボン製でとても軽いです。(This racket is made of carbon and is very light.)

二酸化炭素 (Nisankatanso): Carbon Dioxide (CO2). This is the full, technical term. In English, we often shorten 'carbon dioxide' to just 'carbon' (as in 'carbon footprint'). In Japanese, while 'tanso' is used in compounds, 'nisankatanso' is the go-to word for the gas itself.

地球温暖化の主な原因は、二酸化炭素の増加です。(The main cause of global warming is the increase in carbon dioxide.)

黒鉛 (Kokuen) / グラファイト (Gurafaito): Graphite. This is a specific form (allotrope) of carbon. Use 'kokuen' in scientific or traditional contexts, and 'gurafaito' in industrial or modern contexts.

Comparing these terms: 炭素 is the 'what' (the element), カーボン is the 'material' (the product), and 二酸化炭素 is the 'problem' (the gas). If you want to talk about the physical substance used in a grill, use 炭 (sumi) which means charcoal. If you want to talk about the fuel used in a power plant, use 石炭 (sekitan). Knowing these distinctions prevents you from using a scientific term when a physical object term is needed.

バーベキューのために炭を買ってきました。(I bought charcoal for the barbecue.)

この工場は石炭を燃やして発電しています。(This factory burns coal to generate electricity.)

How Formal Is It?

Le savais-tu ?

Before the word 炭素 was standardized, some early translators tried using 'charcoal-stuff' (炭質) or phonetic transliterations, but 炭素 eventually won because it followed the pattern of other elements like 酸素 (oxygen) and 水素 (hydrogen).

Guide de prononciation

UK tæn.soʊ

US tæn.soʊ

Pitch accent is usually on the first syllable 'tan' (Atamadaka style: 1), but can vary by dialect.

Rime avec

酸素 (sanso - oxygen) 乾燥 (kansō - drying) 感想 (kansō - impression) 簡素 (kanso - simplicity) 完走 (kansō - finishing a race) 搬送 (hansō - transport) 伴奏 (bansō - accompaniment) 肝臓 (kanzō - liver)

Erreurs fréquentes

Pronouncing it like 'tan-zo' (with a Z sound).
Elongating the 'o' too much like 'tansoo'.
Making the 'n' too heavy like an English 'n' in 'sun'.
Confusing it with 'tanzō' (forging).
Confusing it with 'tansō' (single phase/monolayer).

Niveau de difficulté

Lecture 2/5

The kanji are N3/N2 level, but the word is taught early in science.

Écriture 3/5

Writing '素' can be tricky for beginners due to the number of strokes.

Expression orale 1/5

Pronunciation is straightforward.

Écoute 2/5

Easy to recognize, but sounds like other 'kan-' words if spoken fast.

Quoi apprendre ensuite

Prérequis

炭 (charcoal) 素 (element/basis) 酸素 (oxygen) 水素 (hydrogen)

Apprends ensuite

二酸化炭素 (carbon dioxide) 炭水化物 (carbohydrate) 地球温暖化 (global warming) 環境 (environment) 排出 (emission)

Avancé

同素体 (allotrope) 共有結合 (covalent bond) 同位体 (isotope) 光合成 (photosynthesis) 温室効果ガス (greenhouse gas)

Grammaire à connaître

Noun + でできている (Made of [Noun])

この机は木でできています。 (This desk is made of wood.) -> 炭素でできている。

Noun + を含む (Contains [Noun])

この飲み物は砂糖を含んでいます。 (This drink contains sugar.) -> 炭素を含んでいる。

Noun + の + Noun (Possessive/Descriptive)

炭素の化合物 (Carbon compounds).

Noun + による + Noun (Caused by/Through)

炭素による汚染 (Pollution by carbon).

Noun + と + Noun (A and B)

炭素と酸素 (Carbon and Oxygen).

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Exemples par niveau

これは炭素です。

This is carbon.

Simple A is B structure (Noun + desu).

炭素は大切です。

Carbon is important.

Subject marker 'wa' used for a general truth.

ダイヤモンドは炭素です。

Diamonds are carbon.

Identifying a substance's composition.

炭素の記号はCです。

The symbol for carbon is C.

Possessive 'no' used to link carbon and symbol.

体の中に炭素があります。

There is carbon in the body.

Existence verb 'arimasu' for inanimate objects.

炭素は黒いです。

Carbon is black.

Adjective 'kuroi' describing the noun.

これは炭素のペンです。

This is a carbon pen.

Using 'no' to describe the material of the pen.

理科で炭素を習います。

We learn about carbon in science.

Object marker 'o' with the verb 'naraimasu' (to learn).

鉛筆の芯は炭素でできています。

Pencil lead is made of carbon.

'~de dekite iru' indicates what something is made of.

炭素は空気の中にもあります。

Carbon is also in the air.

'mo' means 'also' or 'too'.

植物は炭素を吸います。

Plants breathe in carbon (dioxide).

Simple subject-object-verb structure.

炭素は火で燃えます。

Carbon burns with fire.

Particle 'de' indicating the means or instrument.

この自転車は炭素繊維です。

This bicycle is carbon fiber.

Compound noun 'tanso sen-i'.

炭素の重さを量ります。

I will measure the weight of the carbon.

Verb 'hakarimasu' (to measure).

二酸化炭素が増えています。

Carbon dioxide is increasing.

Present progressive '~te imasu'.

炭素はとても強い素材です。

Carbon is a very strong material.

Adverb 'totemo' (very) modifying the adjective 'tsuyoi'.

炭素中立な社会を目指すべきです。

We should aim for a carbon-neutral society.

'~beki desu' expresses an obligation or recommendation.

炭素は地球上のすべての生命の基本です。

Carbon is the basis of all life on Earth.

'~no kihon' means 'the basis of'.

排出される炭素を減らさなければなりません。

We must reduce the carbon that is emitted.

'~nakereba narimasen' means 'must'.

炭素繊維は軽くて丈夫なのが特徴です。

The characteristic of carbon fiber is that it's light and durable.

'~no ga tokuchō desu' defines the main feature.

大気中の炭素循環について調べましょう。

Let's investigate the carbon cycle in the atmosphere.

Volitional form '~mashō' (let's).

この会社は炭素排出量を公開しています。

This company discloses its carbon emissions.

Compound noun 'tanso haishutsuryō'.

炭素は熱を伝えやすい性質があります。

Carbon has the property of conducting heat easily.

'~yasui' means 'easy to'.

科学者は炭素の新しい使い方を発見しました。

Scientists discovered a new use for carbon.

Noun modification with 'atarashii tsukaikata'.

炭素税の導入により、企業の意識が変わりました。

With the introduction of the carbon tax, corporate awareness has changed.

'~ni yori' indicates a cause or means.

炭素14年代測定法は、考古学において重要です。

Carbon-14 dating is important in archaeology.

'~ni oite' means 'in' or 'at' regarding a field.

有機化学は、炭素化合物を研究する学問です。

Organic chemistry is the study that researches carbon compounds.

Defining a field of study.

脱炭素社会の実現には、技術革新が不可欠です。

Technological innovation is essential for realizing a decarbonized society.

'~ni wa ... fukaketsu desu' means 'is indispensable for'.

炭素繊維強化プラスチックは、航空機に使われています。

Carbon-fiber-reinforced plastic is used in aircraft.

Passive voice 'tsukawarete imasu'.

森林は、炭素を固定する役割を果たしています。

Forests play the role of sequestering carbon.

'yakuwari o hatasu' is a set phrase meaning 'to play a role'.

炭素の同素体には、黒鉛やダイヤモンドがあります。

Allotropes of carbon include graphite and diamond.

'~ni wa ... ga arimasu' lists examples within a category.

排出された炭素を回収する技術が注目されています。

Technologies that capture emitted carbon are attracting attention.

Relative clause modifying 'gijutsu'.

炭素循環の不均衡が、気候変動を加速させています。

The imbalance in the carbon cycle is accelerating climate change.

Causative form 'kasoku sasete imasu'.

炭素ナノチューブは、次世代の電子デバイスに期待されています。

Carbon nanotubes are expected to be used in next-generation electronic devices.

Expectation expressed with 'kitai saretiru'.

政府は、炭素排出枠の取引制度を整備しました。

The government has established a trading system for carbon emission allowances.

Formal verb 'seibi shimashita' (to establish/prepare).

土壌に含まれる炭素量は、農業の生産性に直結します。

The amount of carbon in the soil is directly linked to agricultural productivity.

'~ni chokketsu shimasu' means 'is directly linked to'.

炭素鋼の強度は、炭素含有量によって決まります。

The strength of carbon steel is determined by its carbon content.

'~ni yotte kimarimasu' (is decided by).

深海における炭素の貯蔵メカニズムを解明する必要があります。

It is necessary to clarify the carbon storage mechanism in the deep sea.

Formal noun 'me-kanizumu' and verb 'kaimei' (clarify).

炭素税が経済に与える動学的影響を分析しました。

We analyzed the dynamic effects that carbon taxes have on the economy.

Academic term 'dōgakuteki' (dynamic).

この素材は、原子レベルで炭素を配列しています。

This material has carbon arranged at the atomic level.

Technical phrase 'genshi reberu de'.

炭素循環の摂動が、地球システムのレジリエンスを脅かしています。

Perturbations in the carbon cycle are threatening the resilience of the Earth system.

Highly formal academic vocabulary (setsu-dō, rejiriensu).

同位体炭素比率の変動から、過去の植生の変化を推測できます。

Changes in past vegetation can be inferred from fluctuations in carbon isotope ratios.

Scientific inference using 'kara ... suisoku dekimasu'.

炭素固定能の高い品種を開発することが、食料安全保障に寄与します。

Developing varieties with high carbon fixation capacity contributes to food security.

Formal verb 'kiyo shimasu' (contribute).

脱炭素への移行は、既存の産業構造を根本から覆す可能性を秘めています。

The transition to decarbonization holds the potential to fundamentally overturn existing industrial structures.

'~o himete imasu' means 'to harbor/hold potential'.

炭素隔離技術の社会実装には、法整備と市民の合意が欠かせません。

Social implementation of carbon sequestration technology requires legal frameworks and public consensus.

Advanced nouns 'shakai jissō' and 'gōi'.

生命の起源における炭素の役割は、宇宙生物学の核心的な問いです。

The role of carbon in the origin of life is a central question in astrobiology.

Abstract academic inquiry.

炭素ナノ材料の毒性評価に関する国際的な基準が策定されました。

International standards regarding the toxicity assessment of carbon nanomaterials have been formulated.

Passive voice 'sakutei saretashita' (formulated).

炭素排出権取引の市場設計は、ゲーム理論の観点からも興味深いです。

The market design of carbon emissions trading is interesting from the perspective of game theory.

Multidisciplinary perspective 'kan-ten kara mo'.

Synonymes

カーボン石墨炭グラファイト

Antonymes

酸素非炭素

Collocations courantes

炭素排出量

炭素中立

炭素繊維

炭素循環

二酸化炭素

炭素固定

炭素税

炭素鋼

炭素年代測定

低炭素

Phrases Courantes

脱炭素

— Decarbonization. The process of removing or reducing carbon emissions.

脱炭素の動きが加速している。

炭素足跡

— Carbon footprint. The total greenhouse gas emissions caused by an individual or organization.

自分の炭素足跡を計算する。

炭素隔離

— Carbon sequestration. The process of capturing and storing atmospheric carbon dioxide.

炭素隔離技術の研究が進んでいる。

炭素棒

— Carbon rod. A rod made of carbon used in batteries or welding.

実験で炭素棒を使う。

炭素原子

— Carbon atom. The basic unit of carbon.

炭素原子は4つの結合を持つ。

炭素源

— Carbon source. A source of carbon for organisms or processes.

微生物の炭素源となる物質。

炭素市場

— Carbon market. A system where carbon emission allowances are traded.

炭素市場の価格が変動する。

炭素鎖

— Carbon chain. A string of carbon atoms in a molecule.

長い炭素鎖を持つ化合物。

炭素膜

— Carbon film. A thin layer of carbon.

炭素膜で表面をコーティングする。

炭素骨格

— Carbon skeleton. The chain or ring of carbon atoms that forms the basis of an organic molecule.

分子の炭素骨格を分析する。

Souvent confondu avec

炭素 vs 石炭 (Sekitan)

Sekitan is coal (the fuel). Tanso is carbon (the element).

炭素 vs 炭水化物 (Tanshuikabutsu)

Tanshuikabutsu is carbohydrates (food). Tanso is just the element.

炭素 vs 酸素 (Sanso)

Sanso is oxygen. They sound similar because they both end in '-so' (element).

Expressions idiomatiques

"炭素の塵"

— Carbon dust/soot. Often used poetically or literally to describe fine black particles.

炭素の塵が舞う。

Literary

"炭素の絆"

— Carbon bonds. Used metaphorically in science writing to describe the strong links between life forms.

炭素の絆が生命を繋ぐ。

Scientific/Poetic

"炭素の檻"

— Carbon cage (like a fullerene). Used in nanotech to describe molecular structures.

炭素の檻の中に原子を入れる。

Technical

"炭素の循環"

— The circle of life (in a chemical sense).

私たちは炭素の循環の一部だ。

Philosophical

"炭素を吐き出す"

— To belch out carbon (emissions).

古い車が炭素を吐き出している。

Informal/Descriptive

"炭素に刻む"

— To engrave in carbon (metaphor for permanent record-keeping in diamond or graphite).

歴史を炭素に刻む。

Poetic

"炭素の呪縛"

— The curse of carbon (dependence on fossil fuels).

炭素の呪縛から逃れる。

Journalistic

"炭素の贈り物"

— The gift of carbon (life or diamonds).

地球からの炭素の贈り物。

Literary

"炭素の鎖を断ち切る"

— To break carbon chains (chemical reaction or metaphor for ending oil reliance).

炭素の鎖を断ち切る新技術。

Technical/Journalistic

"炭素の鏡"

— Carbon mirror (highly polished carbon surfaces).

炭素の鏡に映る景色。

Technical

Facile à confondre

炭素 vs 炭素 (Tanso)

Sounds like other scientific elements.

Tanso is Carbon (C).

炭素は原子番号6です。

炭素 vs 酸素 (Sanso)

Ends with the same suffix '-so'.

Sanso is Oxygen (O).

人間は酸素を吸います。

炭素 vs 窒素 (Chisso)

Ends with the same suffix '-so'.

Chisso is Nitrogen (N).

空気の大部分は窒素です。

炭素 vs 水素 (Suiso)

Ends with the same suffix '-so'.

Suiso is Hydrogen (H).

水は水素と酸素からできています。

炭素 vs 要素 (Yōso)

Contains the kanji 'so' (element).

Yōso means 'factor' or 'component' in a general sense.

成功の重要な要素。

Structures de phrases

[Noun]は炭素です。

これは炭素です。

[Noun]は炭素でできています。

ダイヤモンドは炭素でできています。

炭素の[Noun]を[Verb]。

炭素の排出を減らします。

炭素[Noun]の実現には[Noun]が必要です。

炭素中立の実現には協力が必要です。

炭素[Noun]による[Noun]の影響を分析する。

炭素税による経済の影響を分析する。

炭素[Noun]の摂動が[Noun]を脅かしている。

炭素循環の摂動が環境を脅かしている。

[Noun]に含まれる炭素。

石炭に含まれる炭素。

炭素は[Adjective]です。

炭素は黒いです。

Famille de mots

Noms

炭素 (carbon)

炭素鋼 (carbon steel)

炭素繊維 (carbon fiber)

炭素化合物 (carbon compound)

Verbes

炭化する (tankasuru - to carbonize)

脱炭素化する (dattansokasuru - to decarbonize)

Adjectifs

炭素質の (tansoshitsu no - carbonaceous)

Apparenté

二酸化炭素 (carbon dioxide)

一酸化炭素 (carbon monoxide)

炭水化物 (carbohydrate)

石炭 (coal)

木炭 (charcoal)

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Comment l'utiliser

frequency

Extremely frequent in science, news, and industrial sectors in Japan.

Erreurs courantes

Using 炭素 for charcoal fuel. → 炭 (Sumi)
You burn 'sumi' for a BBQ, not 'tanso'.
Using 炭素 for coal in a power plant. → 石炭 (Sekitan)
Coal as a fossil fuel is 'sekitan'.
Saying 'Tanso-shiki' for carbon paper. → カーボン紙 (Kābon-shi)
Loanwords are preferred for stationery items.
Using 炭素 for carbohydrates. → 炭水化物 (Tanshuikabutsu)
Dietary 'carbs' require the full word.
Confusing 炭素 (Carbon) and 酸素 (Oxygen). → 炭素 vs 酸素
They sound similar; remember 'San' for Oxygen (Acid) and 'Tan' for Carbon (Charcoal).

Astuces

Using 'no' correctly

When 炭素 describes another noun, always use 'no'. For example, 'tanso no ryo' (amount of carbon). This is standard for nouns acting as adjectives.

Kanji Meaning

Remembering 炭 (charcoal) + 素 (element) makes it easy to remember the meaning. It's the 'charcoal element'.

Pitch Accent

The pitch usually drops after the first syllable. TAN-so. Practice saying it like 'Houso' (boron) or 'Chisso' (nitrogen).

Buzzwords

Learn 'dattanso' (decarbonization). It's everywhere in Japan right now, from TV commercials to political posters.

CO2 vs Carbon

In English, we say 'carbon' for CO2. In Japanese, 'tanso' is used in compounds, but 'nisankatanso' is better for the gas itself.

Carbon Fiber

If you buy sports gear, look for 'tanso sen-i' (炭素繊維). It's the sign of high quality and light weight.

Suffix -so

Many elements end in -so (酸素, 水素, 窒素, 炭素). This suffix means 'element'. Learning this helps you recognize other chemical names.

City Life

You might see 'tanso' in car parking lots or near industrial areas where emissions are monitored. Keep an eye out for the kanji!

The 'Tan' Connection

You get a 'Tan' from the sun, but plants use 'Tan' (tanso) to grow! It's the cycle of nature.

Diamond vs Coal

Use the fact that both are 炭素 to practice your 'both A and B' grammar: 'Diamond mo sekitan mo tanso desu'.

Mémorise-le

Moyen mnémotechnique

Think of a 'Tan' person at the 'So' (saw) mill burning charcoal. Tan + So = Charcoal Element = Carbon.

Association visuelle

Visualize a black piece of charcoal (炭) turning into a sparkling diamond, both made of the same element (素).

Word Web

炭素 (Carbon) ダイヤモンド (Diamond) 黒鉛 (Graphite) 二酸化炭素 (CO2) 生命 (Life) 地球温暖化 (Global Warming) 炭素繊維 (Carbon Fiber) 有機化学 (Organic Chemistry)

Défi

Try to find three things in your room that contain carbon (Hint: anything organic or plastic) and say 'Kore wa tanso o fukunde imasu' (This contains carbon).

Origine du mot

The word 炭素 was created during the Meiji period (late 19th century) when Japan was rapidly adopting Western scientific terminology. It is a 'wasei-kango' (Japanese-made Chinese word).

Sens originel : The kanji 炭 means charcoal, and 素 means element. Thus, it was named the 'element of charcoal'.

Sino-Japanese (Kango).

Contexte culturel

No major sensitivities, but be aware that 'tanso-kin' (anthrax) sounds similar, though written differently.

English speakers often say 'carbon' to mean 'CO2 emissions'. In Japanese, you must be careful to use 'tanso haishutsu' or 'nisankatanso' for clarity.

NHK Special: 'The Carbon Frontier' (Documentary series). Astro Boy: Often mentions carbon-based technology. Godzilla: Sometimes discussed in the context of carbon-based biology and mutation.

Pratique dans la vie réelle

Contextes réels

Science Class

炭素の原子番号は6です。
炭素の同素体を調べましょう。
有機物は炭素を含みます。
炭素棒に電気を流します。

Environmental News

脱炭素社会を目指します。
炭素排出量を削減します。
カーボンニュートラルを実現します。
炭素税の導入を検討します。

Sports Equipment Shop

これは炭素繊維製です。
カーボンフレームは軽いです。
炭素素材で強度を上げます。
最新のカーボン技術です。

Archaeology Site

炭素年代測定を行います。
炭素14の量を測ります。
この骨は炭素で年代がわかります。
炭素分析の結果が出ました。

Cooking/Dieting

炭水化物を減らしています。
（炭素ではなく炭水化物を使うことに注意）
炭火で焼くと美味しいです。
活性炭入りのパン。

Amorces de conversation

"「脱炭素」という言葉を最近よくニュースで聞きませんか？ (Don't you hear the word 'decarbonization' on the news often lately?)"

"ダイヤモンドと鉛筆の芯が同じ炭素からできているなんて、不思議ですよね。 (Isn't it strange that diamonds and pencil lead are made of the same carbon?)"

"あなたの乗っている自転車は炭素繊維（カーボン）ですか？ (Is your bicycle made of carbon fiber?)"

"環境のために、炭素排出量を減らすにはどうすればいいと思いますか？ (What do you think we should do to reduce carbon emissions for the environment?)"

"理科の授業で炭素の実験をしたことがありますか？ (Have you ever done a carbon experiment in science class?)"

Sujets d'écriture

今日、自分が排出した炭素（二酸化炭素）について考えてみましょう。 (Think about the carbon (CO2) you emitted today.)

脱炭素社会になったら、私たちの生活はどう変わると思いますか？ (How do you think our lives will change if we become a decarbonized society?)

炭素からできている身近なものを5つ探して書いてください。 (Find and write down 5 things around you made of carbon.)

「炭素」という言葉を使って、科学の不思議について作文を書いてください。 (Write an essay about the wonders of science using the word 'carbon'.)

炭素税の導入に賛成ですか、反対ですか？その理由も書いてください。 (Are you for or against the introduction of a carbon tax? Write your reasons.)

Questions fréquentes

10 questions

No, 'charcoal' is 'sumi' (炭). 炭素 is the chemical element carbon that charcoal is made of. However, they share the same kanji.

No. When talking about carbs, use 'tanshuikabutsu' (炭水化物). Saying you are eating 'tanso' sounds like you are eating charcoal or diamonds.

炭素 is the scientific Japanese word for the element. カーボン is the loanword from English, used for materials like 'carbon fiber' or in environmental terms like 'carbon neutral'.

No, it's usually considered N3 or N2 because it's a technical term, but it's very common in daily life if you read the news.

It is 'nisankatanso' (二酸化炭素). 'Ni' (two) + 'sanka' (oxide) + 'tanso' (carbon).

Yes, the kanji 素 (moto/so) means basis or element. It is used in many words related to nature or fundamental parts.

It is written as たんそ.

Usually, people use 'kaabon-shi' (カーボン紙) for carbon paper, not 'tanso-shi'.

Because charcoal is the most common and visible form of pure carbon that people knew when the word was created.

Japanese nouns don't have gender, but it is a neutral, scientific word used by everyone.

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