At the A1 level, you only need to recognize 'kagaku' as a school subject. Just like you learn 'suugaku' (math) and 'eigo' (English), 'kagaku' is part of the basic list of subjects. You might see it in a simple sentence like 'Kagaku no hon' (A chemistry book). Don't worry about the kanji yet; just focus on the sound and the fact that it means chemistry. You might hear it when talking about what you like: 'Kagaku ga suki desu' (I like chemistry).
At the A2 level, you should start recognizing the kanji 化学. Notice that the second kanji 学 is the same one in 'gakusei' (student) and 'gakkou' (school). You can use it to describe your daily schedule or basic interests. You might say 'Ashita, kagaku no tesuto ga arimasu' (There is a chemistry test tomorrow). You are also learning to distinguish it from 'science' (科学) by looking at the first kanji. Remember that chemistry is about 'change' (化).
At the B1 level, you can use 化学 in more complex sentences. You should be able to talk about why you like or dislike the subject, or how it relates to your work. You'll encounter terms like 'kagaku hannou' (chemical reaction) in basic science articles or news. This is also the stage where you should be aware of the 'bakagaku' pronunciation to clarify which 'kagaku' you mean in conversation. You can explain simple concepts: 'Mizu no kagaku-shiki wa nan desu ka?' (What is the chemical formula for water?).
At the B2 level, you are expected to understand 化学 in professional or specialized contexts. You can read news reports about chemical plants, environmental issues involving 'kagaku busshitsu' (chemical substances), or Nobel Prize announcements. You should be comfortable with compound words like 'yuuki kagaku' (organic chemistry) and 'kagaku kougaku' (chemical engineering). You can discuss the impact of chemistry on society, such as 'kagaku hiryou' (chemical fertilizers) in agriculture.
At the C1 level, you can follow academic lectures or detailed technical documents involving 化学. You understand the nuances of the word when used metaphorically in literature or high-level business discussions. You can debate the ethical implications of 'kagaku heiki' (chemical weapons) or the future of 'seikagaku' (biochemistry) in medicine. Your vocabulary includes very specific terms like 'kagaku ryouron' (stoichiometry) or 'kagaku heikou' (chemical equilibrium).
At the C2 level, you have a near-native grasp of 化学. You can appreciate the historical development of the term from 'seimi' to 'kagaku' and its philosophical underpinnings. You can write academic papers or deliver speeches on complex chemical theories in Japanese. You understand obscure puns, historical references, and the most technical applications of the word in cutting-edge research like quantum chemistry (ryoushi kagaku).

化学 30 सेकंड में

  • 化学 (Kagaku) means 'Chemistry,' the study of matter and its transformations.
  • It is a core academic subject in Japan from junior high school onwards.
  • It is a homophone of 科学 (science), often cleared up with the nickname 'bakagaku'.
  • Used in industrial, environmental, and academic contexts across Japanese society.

The Japanese word 化学 (かがく - kagaku) is the standard term for the science of chemistry. It is a compound word formed by two essential kanji: , which means 'change,' 'transformation,' or 'becoming,' and , which means 'study,' 'learning,' or 'science.' Together, they literally describe the 'study of transformation,' which is a poetic yet scientifically accurate description of what chemistry entails—the study of how substances change and interact with one another.

Academic Context
In Japanese schools, students typically start learning specific branches of science in junior high school. 化学 is a core subject. You will see it on timetables, textbooks, and university department names (e.g., 化学科 - Department of Chemistry).

Historically, the term was established during the Meiji era when Japan was rapidly importing Western scientific knowledge. Before the word 化学 was standardized, chemistry was often referred to as seimi (舎密), a phonetic transcription of the Dutch word 'chemie.' The transition to 化学 reflected a deeper understanding of the subject's essence—the transformative nature of matter.

私は大学で化学を専攻しています。
(I am majoring in chemistry at university.)

Industrial Use
Japan has a massive chemical industry. Many large corporations have 化学 in their name, such as Mitsubishi Chemical (三菱ケミカル, though they often use the katakana 'Chemical' now, the older root is 化学). It refers to the manufacturing of plastics, fertilizers, medicines, and synthetic materials.

In contemporary usage, 化学 is also used in metaphorical contexts, though slightly less frequently than in English. While English speakers often talk about 'chemistry' between two people in a romantic sense, Japanese more commonly uses aishou (相性 - compatibility). However, in business or creative collaborations, people might use phrases like kagaku hannou (化学反応 - chemical reaction) to describe the exciting results of two different ideas or people coming together.

この二人の出会いが化学反応を起こした。
(The meeting of these two people caused a chemical reaction [unexpectedly great results].)

Environmental and Safety Context
You will encounter this word in discussions about 'chemical substances' (化学物質 - kagaku busshitsu). This is common in news reports regarding pollution, food safety, or new technological breakthroughs in battery chemistry.

化学肥料の使用を減らす。
(Reduce the use of chemical fertilizers.)

Using 化学 correctly requires understanding its role as a noun and how it combines with other words to form compound nouns. Since it is a formal academic term, it is used in both polite (desu/masu) and plain forms, but the word itself remains constant. It does not change based on the level of formality, though the verbs associated with it might.

Studying the Subject
When you say you are studying chemistry, you use the particle 'wo' (を) followed by 'benkyou suru' (勉強する) or 'manabu' (学ぶ). If you are specializing in it, use 'senkou suru' (専攻する).

高校で化学の授業を受ける。
(Take a chemistry class in high school.)

Chemistry is divided into many sub-fields in Japanese, just as in English. To specify a branch, you simply add the branch name before 化学. For example, 'Organic Chemistry' is 有機化学 (yuuki kagaku) and 'Inorganic Chemistry' is 無機化学 (muki kagaku). 'Biochemistry' is 生化学 (seikagaku), where the 'ka' is often elided or kept depending on the specific term, but usually follows the 'study of' pattern.

彼は化学の実験に没頭している。
(He is immersed in a chemistry experiment.)

Describing Properties
When describing the chemical properties of a substance, you use the possessive 'no' (の). For example, 'chemical properties' is 化学的性質 (kagakuteki seishitsu). The suffix -teki (的) turns 'chemistry' into the adjective 'chemical.'

In a professional setting, such as a laboratory or a factory, the word is used with high precision. For instance, 'chemical engineering' is 化学工学 (kagaku kougaku). When discussing global issues, you might hear about 'chemical weapons' (化学兵器 - kagaku heiki), highlighting the word's presence in international relations and ethics.

水の化学式はH2Oです。
(The chemical formula for water is H2O.)

Finally, consider the nuance of 'chemical change' (化学変化 - kagaku henka). This is a fundamental concept taught early on, distinguishing it from 'physical change' (物理変化 - butsuri henka). Using the word in this context shows a solid grasp of basic scientific terminology in Japanese.

The word 化学 is ubiquitous in Japanese society, appearing in educational, professional, and media contexts. Understanding where it pops up helps in recognizing its weight and frequency. It is not just a word for scientists; it is part of the general vocabulary for any educated adult.

In the Classroom
From the age of 12 or 13, Japanese students hear 'kagaku' constantly. Teachers will say, 'Next is chemistry class' (次は化学の授業です). In university, students might say, 'I have a chemistry lab today' (今日は化学の実験がある).

試験範囲には化学の全範囲が含まれる。
(The exam scope includes the entire range of chemistry.)

On the news, 化学 is a frequent guest. Whenever the Nobel Prize in Chemistry is announced, the term ノーベル化学賞 (Nooberu Kagakushou) is repeated across every channel. Japan has a strong history of winning this prize, so it's a point of national pride. You'll also hear it during weather reports or environmental segments discussing 'photochemical smog' (光化学スモッグ - koukagaku sumoggu), a common concern in large cities like Tokyo during the summer.

In the Kitchen and at Home
While we don't usually say 'I'm doing chemistry' while cooking, many educational TV shows in Japan (like those on NHK) explain the 'chemistry of cooking' (料理の化学). You might also see labels on cleaning products warning about 'chemical reactions' if mixed with other substances.

In the workplace, particularly in the manufacturing sector, 化学 is used to describe processes. 'Chemical processing' (化学処理 - kagaku shori) is a term used in everything from textile manufacturing to semiconductor production. If you work in a technical field in Japan, this word will be a daily staple.

この素材は特殊な化学処理が施されています。
(This material has undergone special chemical treatment.)

The most significant pitfall for learners (and even native speakers in certain contexts) is the homophone 科学 (kagaku), which means 'science' in general. Both are pronounced exactly the same: kagaku. This can lead to ambiguity in spoken Japanese.

The 'Bakagaku' Solution
To distinguish between chemistry (化学) and science (科学) when speaking, many people call chemistry ばかがく (bakagaku). This comes from the alternative reading of the first kanji 化 (bakeru). Science (科学) is sometimes called しなかがく (shinagaku), though this is much rarer. If someone says 'bakagaku,' they aren't being rude; they are just being clear!

A: 専攻は何ですか? (What is your major?)
B: かがくです。(It's kagaku.)
A: 「ばけ」のほうですか? (The 'bake' [chemistry] one?)
B: はい、化学です。(Yes, chemistry.)

Another mistake is using 化学 to mean 'chemicals' as a plural noun. In English, we might say 'don't touch those chemicals.' In Japanese, you should use 化学薬品 (kagaku yakuhin) or 化学物質 (kagaku busshitsu). Using just 化学 sounds like you are saying 'don't touch the study of chemistry,' which is nonsensical.

Learners also sometimes confuse 化学 with 薬学 (yakugaku), which is pharmacology. While related, they are distinct academic paths. If you are studying to be a pharmacist, you are in the 薬学部 (Faculty of Pharmaceutical Sciences), not the 化学部 (Chemistry Department/Club).

Register Errors
Using 化学 in a very casual setting to describe a 'vibe' between friends can sound a bit stiff. While 'chemical reaction' (化学反応) is used for collaborative results, for simple personal compatibility, stick to 'aishou' (相性) or 'feeringu' (フィーリング).

While 化学 is the primary word for chemistry, several related terms describe specific aspects of the field or similar concepts. Knowing these will help you navigate scientific discussions more effectively.

化学 vs. 科学 (Kagaku vs. Kagaku)
As mentioned, these are homophones. 科学 is the broad umbrella of 'science' (physics, biology, etc.), while 化学 is specifically 'chemistry.' In writing, the difference is clear; in speech, context is king.
化学 vs. 薬品 (Kagaku vs. Yakuhin)
薬品 refers to drugs, medicines, or chemical reagents. While 化学 is the science, 薬品 are the physical substances used in that science or in medicine.

この化学薬品は取り扱いに注意が必要です。
(This chemical reagent requires careful handling.)

生化学 (Seikagaku)
Biochemistry. It combines 'sei' (life) with 'kagaku' (chemistry). This is a very common field of study in Japan's advanced biotech sector.

If you are looking for a more 'natural' or 'organic' vibe, you might encounter the word ケミカル (kemikaru). This katakana version is often used in fashion (chemical wash jeans - ケミカルウォッシュ) or in the beauty industry to describe synthetic ingredients as opposed to natural ones. It often carries a slightly more modern, commercial, or sometimes negative (unnatural) connotation than the academic 化学.

Another related term is 錬金術 (renkinjutsu), which means alchemy. Since the first kanji in 化学 means 'transformation,' there is a historical link here. Modern chemistry is seen as the scientific successor to the mystical 'art of transformation' (錬金術).

How Formal Is It?

रोचक तथ्य

Before 'Kagaku' was chosen, the word 'Seimi' was used, which came from the Dutch word 'Chemie'.

उच्चारण मार्गदर्शिका

UK kəˈɡaku
US kɑˈɡɑku
Pitch accent is usually flat (Heiban style), meaning the pitch stays level after the first syllable.
तुकबंदी
Daigaku (University) Suugaku (Math) Gogaku (Language study) Tetsugaku (Philosophy) Bungaku (Literature) Igaku (Medicine) Nougaku (Agriculture) Kougaku (Engineering)
आम गलतियाँ
  • Pronouncing it like 'kagaku' (science) without context.
  • Stressing the 'ga' too much.
  • Over-pronouncing the final 'u'.
  • Confusing the 'ka' with 'ga'.
  • Making the 'a' sounds too long.

कठिनाई स्तर

पठन 3/5

The kanji are basic but the homophone 'science' makes it tricky.

लिखना 3/5

化 and 学 are common kanji taught early.

बोलना 4/5

The homophone requires context or the 'bakagaku' trick.

श्रवण 4/5

Hard to distinguish from 'science' without context.

आगे क्या सीखें

पूर्वापेक्षाएँ

科学 (Science) 学校 (School) 勉強 (Study) 先生 (Teacher) 実験 (Experiment)

आगे सीखें

物理 (Physics) 生物 (Biology) 反応 (Reaction) 物質 (Substance) 原子 (Atom)

उन्नत

有機化学 (Organic Chemistry) 量子化学 (Quantum Chemistry) 化学平衡 (Equilibrium) 触媒 (Catalyst) 合成 (Synthesis)

ज़रूरी व्याकरण

Noun + の + Noun

化学の本 (Chemistry book)

Noun + を + Verb

化学を学ぶ (Study chemistry)

Noun + 的 (Adjective former)

化学的な変化 (Chemical change)

Noun + に + 興味がある

化学に興味がある (Interested in chemistry)

Noun + が + 得意/苦手

化学が得意だ (Good at chemistry)

स्तर के अनुसार उदाहरण

1

かがくのほんをよみます。

I read a chemistry book.

Simple object-verb structure.

2

かがくがすきです。

I like chemistry.

Using 'ga suki' for preferences.

3

これはかがくのきょうしつです。

This is the chemistry classroom.

Descriptive sentence using 'no'.

4

かがくのせんせいはやさしいです。

The chemistry teacher is kind.

Adjective describing a noun.

5

きょうはかがくのじゅぎょうがあります。

There is a chemistry class today.

Using 'arimasu' for scheduled events.

6

かがくはむずかしいですか?

Is chemistry difficult?

Simple question form.

7

かがくのテストはあしたです。

The chemistry test is tomorrow.

Time expression with a noun.

8

ノートにかがくとかきます。

I write 'chemistry' in my notebook.

Using 'to kakimasu' for quoting/writing.

1

化学の授業は面白いです。

The chemistry class is interesting.

Using kanji for the first time.

2

図書館で化学の本を借りました。

I borrowed a chemistry book from the library.

Past tense verb with a location.

3

将来、化学を勉強したいです。

I want to study chemistry in the future.

Using 'tai' for desire.

4

化学の実験は危ないですから、気をつけてください。

Chemistry experiments are dangerous, so please be careful.

Using 'kara' for reason.

5

この化学の教科書は分かりやすいです。

This chemistry textbook is easy to understand.

Compound noun 'kyoukasho'.

6

兄は化学の先生をしています。

My older brother is a chemistry teacher.

Using 'wo shite imasu' for occupations.

7

化学の言葉は漢字が難しいです。

Chemistry words have difficult kanji.

Topic-subject structure.

8

毎日、化学の宿題があります。

I have chemistry homework every day.

Frequency adverb 'mainichi'.

1

大学で化学を専攻することにしました。

I decided to major in chemistry at university.

Using 'koto ni shimashita' for a decision.

2

化学反応についてレポートを書きました。

I wrote a report about chemical reactions.

Using 'ni tsuite' for 'about'.

3

この洗剤には強い化学物質が入っています。

This detergent contains strong chemical substances.

Noun 'kagaku busshitsu'.

4

化学の知識は日常生活でも役に立ちます。

Knowledge of chemistry is useful even in daily life.

Using 'yaku ni tachimasu' for 'is useful'.

5

彼は有名な化学者になりたいと思っています。

He thinks he wants to become a famous chemist.

Using 'to omotte imasu' for ongoing thoughts.

6

この二つの液体を混ぜると化学変化が起こります。

A chemical change occurs when you mix these two liquids.

Using conditional 'to'.

7

化学の授業で水の組成を学びました。

I learned the composition of water in chemistry class.

Specific noun 'sousei'.

8

口頭で「かがく」と言う時は、化学か科学か注意が必要です。

When saying 'kagaku' orally, you need to be careful if it's chemistry or science.

Clause ending in 'toki'.

1

日本は化学工業が非常に発達しています。

Japan's chemical industry is very well-developed.

Compound noun 'kagaku kougyou'.

2

その新素材は化学的な処理を一切行っていません。

That new material has not undergone any chemical treatment at all.

Adjectival form 'kagakuteki'.

3

有機化学の試験は暗記することが山ほどある。

The organic chemistry exam has a mountain of things to memorize.

Idiomatic expression 'yama hodo aru'.

4

化学肥料の過剰な使用が環境問題を引き起こしている。

Excessive use of chemical fertilizers is causing environmental problems.

Complex cause-effect sentence.

5

今年のノーベル化学賞は、リチウムイオン電池の研究者に贈られた。

This year's Nobel Prize in Chemistry was awarded to researchers of lithium-ion batteries.

Passive voice 'okurareta'.

6

化学兵器の禁止に関する国際条約が結ばれた。

An international treaty regarding the prohibition of chemical weapons was concluded.

Formal noun 'kagaku heiki'.

7

この食品には化学調味料が使われていない。

No chemical seasonings are used in this food.

Common term 'kagaku choumiryou'.

8

分析化学の手法を用いて、成分を特定する。

Identify the components using analytical chemistry methods.

Instrumental particle 'wo mochiite'.

1

生命現象を化学の視点から解明しようとする試みが続いている。

Attempts to elucidate life phenomena from the perspective of chemistry continue.

Volitional form 'shiyou to suru'.

2

彼は理論化学の分野で画期的な論文を発表した。

He published a groundbreaking paper in the field of theoretical chemistry.

Specific field 'riron kagaku'.

3

化学平衡の概念を理解することは、複雑な反応を制御する上で不可欠だ。

Understanding the concept of chemical equilibrium is essential for controlling complex reactions.

Structure 'suru ue de' (in the process of).

4

グリーン化学の普及は、持続可能な社会の実現に向けた鍵となる。

The spread of green chemistry is key to realizing a sustainable society.

Modern term 'guriin kagaku'.

5

その企業の成功は、異業種間の化学反応によるものだと言える。

The company's success can be said to be due to a 'chemical reaction' between different industries.

Metaphorical usage.

6

光化学スモッグの発生メカニズムについて、詳細な調査が行われた。

A detailed investigation was conducted regarding the generation mechanism of photochemical smog.

Technical environmental term.

7

高分子化学の進展により、多機能なプラスチックが開発された。

Multifunctional plastics have been developed due to progress in polymer chemistry.

Niche field 'koubunshi kagaku'.

8

化学的な知見に基づき、事故の原因を徹底的に追及した。

Based on chemical findings, the cause of the accident was thoroughly investigated.

Formal expression 'ni motozuki'.

1

量子化学計算を用いることで、分子の挙動を極めて高い精度で予測できる。

By using quantum chemistry calculations, molecular behavior can be predicted with extremely high precision.

Highly technical terminology.

2

近代日本の化学の歩みは、江戸末期の舎密学の導入に端を発する。

The path of chemistry in modern Japan originates from the introduction of 'seimi-gaku' in the late Edo period.

Historical reference 'seimi-gaku'.

3

超分子化学の領域では、分子間の弱い相互作用が重要な役割を果たす。

In the field of supramolecular chemistry, weak interactions between molecules play a crucial role.

Advanced field 'choubunshi kagaku'.

4

化学組成の微細な差異が、物質の物理的特性に劇的な変化をもたらす。

Minute differences in chemical composition bring about dramatic changes in the physical properties of a substance.

Formal academic phrasing.

5

環境化学の観点から、マイクロプラスチックの生態系への影響を憂慮する声が高まっている。

From the perspective of environmental chemistry, there are increasing voices of concern regarding the impact of microplastics on the ecosystem.

Complex social-scientific discourse.

6

合成化学の極致とも言えるその手法は、天然物の全合成を可能にした。

That method, which could be called the pinnacle of synthetic chemistry, made the total synthesis of natural products possible.

Literary phrasing 'kyokuchi tomo ieru'.

7

電気化学的なプロセスを通じて、エネルギーの変換効率を最大化する。

Maximize energy conversion efficiency through electrochemical processes.

Technical field 'denki kagaku'.

8

化学という学問の深淵に触れるにつれ、自然界の精緻な仕組みに驚嘆せざるを得ない。

As one touches the depths of the discipline called chemistry, one cannot help but marvel at the exquisite mechanisms of the natural world.

Philosophical phrasing 'ezaru wo enai'.

सामान्य शब्द संयोजन

化学反応
化学変化
化学物質
化学薬品
化学肥料
化学式
化学者
化学工場
化学的
化学工学

सामान्य वाक्यांश

化学の授業

— Chemistry class. Used daily by students.

次は化学の授業だ。

化学の実験

— Chemistry experiment. A common activity in school.

化学の実験は楽しい。

化学を専攻する

— To major in chemistry. Standard for university students.

大学で化学を専攻している。

化学反応を起こす

— To cause a chemical reaction. Used literally and metaphorically.

チーム内で化学反応が起きた。

化学物質過敏症

— Multiple chemical sensitivity. A medical condition.

化学物質過敏症に悩む。

化学調味料

— Chemical seasoning (MSG). Common in food discussions.

化学調味料は使っていません。

化学繊維

— Synthetic fibers. Used in textiles.

化学繊維の服は乾きやすい。

化学火傷

— Chemical burn. A safety term.

化学火傷に注意する。

化学平衡

— Chemical equilibrium. A fundamental scientific concept.

化学平衡の状態にある。

化学結合

— Chemical bond. How atoms stick together.

強い化学結合。

अक्सर इससे भ्रम होता है

化学 vs 科学 (Science)

Identical pronunciation. Chemistry is 化 (change), Science is 科 (department/course).

化学 vs 家学 (Family tradition)

Identical pronunciation but extremely rare in modern conversation.

化学 vs 下学 (Learning basics)

Identical pronunciation but very obscure.

मुहावरे और अभिव्यक्तियाँ

"化学反応を生む"

— To create synergy or an unexpected positive result from a combination.

異色のコラボが化学反応を生んだ。

Metaphorical
"化学変化を遂げる"

— To undergo a dramatic transformation (often personal or creative).

彼は留学して化学変化を遂げた。

Literary
"化学の目で見れば"

— Looking at things from a scientific/chemical perspective.

料理も化学の目で見れば面白い。

Philosophical
"見えない化学"

— Invisible chemistry (referring to hidden connections).

人と人の間の見えない化学。

Poetic
"化学の洗礼"

— The 'baptism' of chemistry (experiencing a tough chemistry course).

大学一年の化学の洗礼を受けた。

Slang/Student
"化学の申し子"

— A 'child' of chemistry (someone born with a natural talent for it).

彼はまさに化学の申し子だ。

Formal
"化学の森"

— The 'forest' of chemistry (referring to its vast complexity).

化学の森に迷い込む。

Metaphorical
"化学の力"

— The power of chemistry (often used in ads).

化学の力で汚れを落とす。

Marketing
"化学の魔法"

— The magic of chemistry (describing amazing experiments).

化学の魔法に魅せられる。

Enthusiastic
"化学の枠を超えて"

— Going beyond the boundaries of chemistry.

化学の枠を超えた研究。

Academic

आसानी से भ्रमित होने वाले

化学 vs 科学

Same pronunciation (kagaku).

科学 is the broad category of science; 化学 is the specific study of substances.

科学者 (scientist) vs 化学者 (chemist).

化学 vs 薬学

Both involve chemicals.

薬学 is specifically for medicine and pharmacy.

薬学部 (Pharmacy dept) vs 化学部 (Chemistry dept).

化学 vs 物理学

Both are hard sciences.

Physics deals with energy and motion; chemistry deals with matter and reactions.

物理の法則 vs 化学の反応。

化学 vs 生物学

Overlaps in biochemistry.

Biology focuses on living organisms.

生物の進化 vs 化学の合成。

化学 vs 工学

Often combined (Chemical Engineering).

Engineering focuses on application and building.

化学工学 (Chemical engineering).

वाक्य संरचनाएँ

A1

[Subject] は 化学 です。

これは化学です。

A2

化学 の [Noun] を [Verb]。

化学の本を読みます。

B1

化学 を [Verb] ことにします。

化学を専攻することにします。

B2

化学的 な [Noun] が [Verb]。

化学的な反応が起こりました。

C1

化学 の 観点 から [Verb]。

化学の観点から分析します。

C2

化学 という 学問 の [Noun]。

化学という学問の深淵。

B1

化学 に [Adjective]。

化学に詳しい。

B2

化学 を 通じて [Verb]。

化学を通じて環境を考える。

शब्द परिवार

संज्ञा

化学者 (Chemist)
化学科 (Chemistry Department)
化学式 (Chemical Formula)
化学工業 (Chemical Industry)

क्रिया

化学する (To do chemistry - rare, usually 'benkyou suru')
化ける (To transform - root verb)

विशेषण

化学的 (Chemical)
生化学的 (Biochemical)

संबंधित

科学 (Science)
物理 (Physics)
生物 (Biology)
実験 (Experiment)
元素 (Element)

इसे कैसे इस्तेमाल करें

frequency

High (especially in education and industry).

सामान्य गलतियाँ
  • Using 科学 when you mean 化学. 化学

    In writing, using the wrong kanji is a major error. Ensure you use the 'change' kanji for chemistry.

  • Saying 化学 to mean 'a chemical'. 化学薬品 or 化学物質

    化学 is the science. Use the compound words for the physical substances.

  • Pronouncing it as 'kagaku' and expecting people to know it's chemistry. Say 'bakagaku' or provide context.

    Without context, 'kagaku' usually defaults to 'science' in the listener's mind.

  • Confusing 化学 (kagaku) with 薬学 (yakugaku). 化学 for chemistry, 薬学 for pharmacy.

    They are different departments in universities.

  • Using 化学 for romantic 'chemistry'. 相性 (aishou)

    化学 sounds too academic for romance in Japanese.

सुझाव

Master the Kanji

Focus on the first kanji 化. It means 'to change.' Chemistry is the study of things changing. If you remember 'change,' you remember chemistry.

Use Bakagaku

Don't be afraid to use 'bakagaku' in casual conversation. It makes you sound like you really know how Japanese is actually spoken.

Check the Radical

Make sure you don't add the grass radical to 化. That would make it 'flower' (花).

Context Clues

When you hear 'kagaku,' immediately look for other science words like 'jikken' (experiment) to confirm it's chemistry.

Nobel Pride

Knowing about Japan's Nobel Prize winners in chemistry is a great conversation starter with Japanese people.

Adjective Form

Remember to add 'teki' to make it an adjective: 化学的な (chemical).

Compound Words

Many chemistry terms are just [Topic] + 化学. Learn the topic words like 'yuuki' (organic) to expand your vocab quickly.

Lab Safety

If you are in a Japanese lab, learn 'kagaku yakuhin' (chemicals) and 'abunai' (dangerous) first.

MSG

If you want to avoid MSG in Japan, look for 'kagaku choumiryou mu-tenka' (no chemical seasonings added).

The Transformation Study

Repeat: 'Chemistry is the study of transformation.' 'Hen-ka' (Change) + 'Gaku-shuu' (Study) = 化学.

याद करें

स्मृति सहायक

Think of 'Ka' (Change) and 'Gaku' (Study). Chemistry is the study of how things change. 'Ka-ga-ku'.

दृश्य संबंध

Imagine a potion turning from blue to red in a school lab (transformation = 化).

Word Web

化 (Change) 学 (Study) 実験 (Experiment) 薬品 (Chemicals) 学校 (School) 原子 (Atom) 分子 (Molecule) 反応 (Reaction)

चैलेंज

Try to find 3 items in your house that were made using 'kagaku' (like plastics or soap) and say 'Kore wa kagaku no chikara desu' (This is the power of chemistry).

शब्द की उत्पत्ति

The term was coined in the late 19th century (Meiji period) as a translation for the Western concept of chemistry.

मूल अर्थ: The study (学) of transformation (化).

Sino-Japanese (Kango).

सांस्कृतिक संदर्भ

Be careful when discussing 'kagaku busshitsu' in the context of food; it can sound negative to health-conscious people.

While 'chemistry' in English often refers to romantic sparks, in Japanese, 化学 is much more strictly academic or industrial.

Hideki Shirakawa (Nobel Prize) Ryoji Noyori (Nobel Prize) Akira Yoshino (Nobel Prize - Lithium batteries)

असल ज़िंदगी में अभ्यास करें

वास्तविक संदर्भ

School/University

  • 化学の単位
  • 化学のレポート
  • 化学の教授
  • 化学科

Laboratory

  • 化学薬品
  • 化学天秤
  • 化学反応式
  • 安全メガネ

Industry/Manufacturing

  • 化学工場
  • 化学製品
  • 化学処理
  • 化学メーカー

Environment/News

  • 化学物質
  • 化学汚染
  • 化学兵器
  • ノーベル化学賞

Cooking/Food

  • 化学的変化
  • 化学調味料
  • 食品化学
  • 分子ガストロノミー

बातचीत की शुरुआत

"学生時代、化学は好きでしたか? (Did you like chemistry when you were a student?)"

"日本人のノーベル化学賞受賞者が多い理由は何だと思いますか? (Why do you think there are many Japanese Nobel Prize winners in chemistry?)"

"最近、何か面白い化学のニュースを見ましたか? (Have you seen any interesting chemistry news lately?)"

"料理と化学は関係があると思いますか? (Do you think cooking and chemistry are related?)"

"化学反応という言葉を、人間関係で使ったことがありますか? (Have you ever used the term 'chemical reaction' for human relationships?)"

डायरी विषय

今日の化学の授業で学んだことについて書いてください。 (Write about what you learned in today's chemistry class.)

もし自分が化学者だったら、どんな発明をしたいですか? (If you were a chemist, what kind of invention would you want to make?)

日常生活の中にある「化学」を探してみましょう。 (Let's look for 'chemistry' in daily life.)

化学肥料のメリットとデメリットについて自分の考えを述べてください。 (State your thoughts on the pros and cons of chemical fertilizers.)

「bakagaku」という言葉を知った時の感想を書いてください。 (Write your impressions when you learned the word 'bakagaku'.)

अक्सर पूछे जाने वाले सवाल

10 सवाल

It's a historical coincidence in Japanese phonetics. Both 'transformation study' and 'department study' ended up as 'kagaku'. This is why people use nicknames like 'bakagaku' to tell them apart.

It's rare. Usually, Japanese people use 'aishou' (compatibility). However, 'kagaku hannou' can be used for creative sparks between people.

Common ones include Applied Chemistry (応用化学), Organic Chemistry (有機化学), and Industrial Chemistry (工業化学).

No, it's a very common and practical way to clarify that you are talking about chemistry. It's used even by teachers and professors.

You write it as 'H2O' or '水の化学式' (Chemical formula of water).

Yes, it's very popular due to Japan's strong chemical and pharmaceutical industries.

化学 is academic and formal. ケミカル is usually katakana used in marketing, fashion, or to describe something as 'artificial'.

It is 化学者 (kagakusha).

Yes, they call it 'suui-ri-be...' (the start of the mnemonic for H, He, Li, Be...).

It is 生化学 (seikagaku).

खुद को परखो 200 सवाल

writing

Write 'I study chemistry' in Japanese.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'Chemistry is interesting' in Japanese.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemical reaction'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemistry teacher'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'I major in chemistry' in Japanese.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemical substance'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemistry experiment'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'Water's chemical formula is H2O'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Organic chemistry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Nobel Prize in Chemistry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'I have a chemistry test tomorrow'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemical fertilizer'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemist'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'Chemistry is a difficult subject'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemical industry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Biochemistry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'Don't touch the chemicals'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Chemical treatment'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Translate: 'Inorganic chemistry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
writing

Write 'He is interested in chemistry'.

Well written! Good try! Check the sample answer below.

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'I like chemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemistry test' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Explain what 'bakagaku' means in simple Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'I study organic chemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical reaction' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Ask 'Is chemistry difficult?' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'I want to be a chemist' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Please be careful with the chemicals' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'I major in chemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'There is a chemistry class today' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical formula' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Biochemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical fertilizer' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'I have a chemistry experiment' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemistry teacher' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical substance' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical industry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Inorganic chemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Chemical treatment' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
speaking

Say 'Nobel Prize in Chemistry' in Japanese.

Read this aloud:

सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write the word for 'Chemistry'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Identify the subject: 'Ashita wa kagaku no tesuto ga aru'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku hannou'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagakusha'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Yuuki kagaku'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Identify the word: 'Kagaku busshitsu'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku-shiki'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Seikagaku'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku hiryou'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku kougyou'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Muki kagaku'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku yakuhin'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Identify the word: 'Kagaku henka'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Kagaku-shitsu'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:
listening

Listen and write: 'Nooberu Kagaku-shou'.

सही! बिलकुल नहीं। सही जवाब:
सही! बिलकुल नहीं। सही जवाब:

/ 200 correct

Perfect score!

संबंधित सामग्री

यह शब्द अन्य भाषाओं में

academic के और शब्द

絶対的

B2

पूर्ण; जो किसी अन्य चीज़ पर निर्भर न हो या किसी भी तरह से कम न हो।

絶対的に

B1

पूर्ण रूप से या बिना किसी शर्त के। 'यह बिल्कुल सही है।'

抽象的だ

B1

Abstract; existing in thought or as an idea but not having a physical or concrete existence.

抽象

B2

विचार में या एक विचार के रूप में मौजूद है, लेकिन भौतिक या ठोस अस्तित्व नहीं है। यह विशिष्ट विवरणों से दूर, किसी चीज के सार को सामान्य बनाने या निकालने को संदर्भित करता है। (अमूर्त कला एक सामान्य उदाहरण है।)

抽象的に

B1

अमूर्त या सैद्धांतिक तरीके से। विचारों या अवधारणाओं के लिए उपयोग किया जाता है, भौतिक वस्तुओं के लिए नहीं।

学術的な

B1

गंभीर विश्वविद्यालय अध्ययन, अनुसंधान या विज्ञान से संबंधित; अकादमिक।

学術的だ

B1

अकादमिक; शिक्षा और छात्रवृत्ति से संबंधित। यह एक बहुत ही अकादमिक दृष्टिकोण है।

学術的

B2

Academic; relating to education and scholarship.

学術

B1

अकादमिक, विद्वत्ता; विद्वत्तापूर्ण प्रयासों से संबंधित।

学力

B1

अकादमिक क्षमता का अर्थ है स्कूली विषयों में ज्ञान का स्तर।

क्या यह मददगार था?
अभी तक कोई टिप्पणी नहीं। अपने विचार साझा करने वाले पहले व्यक्ति बनें!