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
general
Added 2026.4.22 20:23
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