A1 noun Formel #2,749 le plus courant

化合物

kagōbutsu /kaɡoːbutsɯ/

A substance formed when two or more chemical elements are chemically bonded together. It is used primarily in scientific contexts to describe materials with a fixed ratio of components.

Exemples

3 sur 5
1

水は、酸素と水素からなる化合物です。

Water is a compound consisting of oxygen and hydrogen.

2

本日は、新しい有機化合物の性質について説明いたします。

Today, I will explain the properties of a new organic compound.

3

これ、変な化合物が入ってないか心配だな。

I'm worried if this contains some weird compound.

Famille de mots

Nom
化合物
Verb
化合する
Apparenté
化学
💡

Astuce mémo

Break it down: 化 (change/transform) + 合 (combine) + 物 (thing). It's a thing made of elements that combined and transformed into something new.

Quiz rapide

二つ以上の元素が結合してできた物質を___と呼びます。

Correct !

La bonne réponse est : 化合物

Exemples

1

水は、酸素と水素からなる化合物です。

everyday

Water is a compound consisting of oxygen and hydrogen.

2

本日は、新しい有機化合物の性質について説明いたします。

formal

Today, I will explain the properties of a new organic compound.

3

これ、変な化合物が入ってないか心配だな。

informal

I'm worried if this contains some weird compound.

4

研究室で未知の化合物を分析している。

academic

I am analyzing an unknown compound in the laboratory.

5

当社は、特殊な化合物を用いた新素材を販売しています。

business

Our company sells new materials using special compounds.

Famille de mots

Nom
化合物
Verb
化合する
Apparenté
化学

Collocations courantes

有機化合物 organic compound
無機化合物 inorganic compound
化合物を合成する to synthesize a compound
高分子化合物 polymer/high molecular compound
未知の化合物 unknown compound

Phrases Courantes

天然化合物

natural compound

合成化合物

synthetic compound

含窒素化合物

nitrogen-containing compound

Souvent confondu avec

化合物 vs 混合物

A mixture (混合物) is physically blended without chemical bonds, whereas a compound (化合物) is chemically bonded.

化合物 vs 化学物質

Chemical substance is a broad term for any matter, while compound refers specifically to substances with multiple elements.

📝

Notes d'usage

The word is almost exclusively used in scientific, industrial, or medical contexts. In daily life, people often use '薬' (medicine) or '成分' (ingredient) instead.

⚠️

Erreurs courantes

Learners often use this word for physical mixtures like salad or alloys, where '混合物' or '合金' would be more appropriate.

💡

Astuce mémo

Break it down: 化 (change/transform) + 合 (combine) + 物 (thing). It's a thing made of elements that combined and transformed into something new.

📖

Origine du mot

Composed of Kanji roots: 化 (ka - to change), 合 (gō - to join/fit), and 物 (butsu - matter/object).

Modèles grammaticaux

Used as a noun followed by particles like が, を, or は. Usually modified by adjectives or nouns ending in 'の' (e.g., 有機(の)化合物).

Quiz rapide

二つ以上の元素が結合してできた物質を___と呼びます。

Correct !

La bonne réponse est : 化合物

Mots lis

仮説

B1

仮説とは、ある現象を説明するために、真偽はともかくとして、とりあえず設定した仮の答えのことです。科学的方法の出発点となり、実験や観察によって検証される必要があります。

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

革命

A1

A fundamental and sudden change in political power or social structure, often involving a shift in governance. It also refers to a major, transformative shift in technology, thought, or a specific field that completely alters how things are done.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

販売

A1

The act of selling goods or services to customers, typically within a commercial or professional context. It refers to the business process of making items available for purchase.

取引

A1

A transaction or business deal involving the exchange of money, goods, or services. It refers to the process of doing business with another party or making a trade.

貯金

A1

The act of saving money or the amount of money saved, typically in a bank or a piggy bank. It refers to setting aside funds for future use rather than spending them immediately.

借金

A1

A sum of money that is borrowed from a person or an institution and is expected to be paid back. It refers to the state of owing money or the specific amount of debt accumulated.

利益

A1

Refers to the financial profit a company or individual makes after deducting expenses. It also describes a general benefit, advantage, or gain that someone receives from a situation or action.

損失

A1

A formal noun referring to the loss of something valuable, such as money, property, or time. It is commonly used in business or serious contexts to describe a reduction in value or a disadvantageous outcome.

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