化学式(かがくしき)

かがくしき
noun
chemical formula
scienceeducation
1. chemical formula; a symbolic representation of the composition of a chemical compound
chemical formula; a symbolic representation of the composition of a chemical compound
水(みず)の化学式(かがくしき)はH2Oだ。
The chemical formula for water is H₂O.
化学式(かがくしき)を覚(おぼ)えるのが苦手(にがて)だ。
I'm bad at memorizing chemical formulas.
中学(ちゅうがく)の理科(りか)で初(はじ)めて化学式(かがくしき)の書(か)き方(かた)を習(なら)った。
I first learned how to write chemical formulas in middle school science class.

A compound of 化学(かがく) (chemistry) and 式(しき) (formula/expression). One of the foundational terms in Japanese science education, introduced in middle school (中学校(ちゅうがっこう)).

Common collocations

  • 化学式(かがくしき)を書(か)く — to write a chemical formula
  • 化学式(かがくしき)で表(あらわ)す — to express in chemical formula
  • 分子式(ぶんしし) — molecular formula
  • 構造式(こうぞうしき) — structural formula

Related words

general
Added 2026.4.21 1:24 · Revised 2026.9.2 13:02
24500/24804_kagakushiki