化 合 物(かごうぶつ)

かごうぶつ

noun

chemical compound

1. chemical compound

A substance formed when two or more chemical elements are bonded together in a fixed ratio. Distinguished from mixtures, where components are not chemically bonded.

水(みず)は化合物(かごうぶつ)です。

Water is a chemical compound.

この化合物(かごうぶつ)は二(ふた)つの元素(げんそ)からできている。

This compound is made up of two elements.

新(あたら)しい化合物(かごうぶつ)を合成(ごうせい)するために、研究者(けんきゅうしゃ)たちは何年(なんねん)も実験(じっけん)を続(つづ)けた。

The researchers continued experimenting for years to synthesize a new compound.

Composed of 化合(かごう) (chemical combination) + 物(ぶつ) (substance). A fundamental term in chemistry education, encountered from middle school science onward in Japan.

Common collocations

有機(ゆうき)化合物(かごうぶつ): organic compound
無機(むき)化合物(かごうぶつ): inorganic compound
化合物(かごうぶつ)を合成(ごうせい)する: synthesize a compound
化学(かがく)化合物(かごうぶつ): chemical compound

Similar words

混合物(こんごうぶつ): mixture — components are not chemically bonded and can be separated physically
元素(げんそ): element — a pure substance consisting of one type of atom
分子(ぶんし): molecule — the smallest unit of a compound that retains its chemical properties

Related Words

Compare: 混合物(こんごうぶつ) (mixture)

Compare: 元素(げんそ) (element)

Compare: 分子(ぶんし) (molecule)

Compare: 化学物質(かがくぶっしつ) (chemical substance)

Related: 酸化物(さんかぶつ) (oxide)

general

Added 2026.4.22 20:23 · Revised 2026.9.2 13:02

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