化学(かがく)

かがく
noun
chemistry
1. chemistry
The branch of science concerned with the substances of which matter is composed.
化学(かがく)実験(じっけん)をする。
To conduct a chemistry experiment.
化学(かがく)反応(はんのう)が起(お)きる。
A chemical reaction occurs.
化学(かがく)物質(ぶっしつ)を分析(ぶんせき)する。
To analyze chemical substances.

化学(かがく) is composed of 化(か) (change) + 学(がく) (study).

NOTE: Has the same reading as 科学(かがく) (science). Context usually clarifies meaning. In speech, sometimes pronounced ばけがく to distinguish.

BRANCHES:

  • 有機(ゆうき)化学(かがく): organic chemistry
  • 無機(むき)化学(かがく): inorganic chemistry
  • 生(せい)化学(かがく): biochemistry

COMMON COMPOUNDS:

  • 化学(かがく)式(しき): chemical formula
  • 化学(かがく)反応(はんのう): chemical reaction
  • 化学(かがく)薬品(やくひん): chemicals

Related Words

Contrast: 科学(かがく) (science (same reading))
general
Added 2026.1.16 14:20 · Revised 2026.1.19 21:17
05000/05336_kagaku_chem