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'.
In chemistry, the concept of equivalent is used for reaction calculations.
The equivalent weight of this substance is 50 grams.
chemical equivalent
dose equivalent
gram equivalent
Compound of 当 (とう, 'corresponding') and 量 (りょう, 'amount'). The term is a technical coinage used in scientific contexts.