物ぶっ質しつ量りょう

noun

amount of substance

Chemistry term for the quantity of a substance measured in moles. Used in scientific contexts.

• 物ぶっ質しつ量りょうの単たん位いはモルです。

  The unit of amount of substance is the mole.

• 化か学がく反はん応のうでは、物ぶっ質しつ量りょうの比ひが重じゅう要ようになる。

  In chemical reactions, the ratio of amounts of substance is important.