当とう量りょう

noun, noun which may take the genitive case particle 'no'

equivalent; equivalent weight

Technical term used in chemistry and physics to denote the amount of a substance that reacts with or is equivalent to a given amount of another substance. Also used more broadly in technical contexts to mean 'equivalent'.

• 化か学がくでは、当とう量りょうという概がい念ねんが反はん応のうの計けい算さんに使つかわれる。

  In chemistry, the concept of equivalent is used for reaction calculations.

• この物ぶっ質しつの当とう量りょうは50グラムです。

  The equivalent weight of this substance is 50 grams.