reactant

US /riˈæk.tənt/
UK /riˈæk.tənt/
"reactant" picture
1.

反応物, 反応体

a substance that takes part in and undergoes change during a reaction

:
In a chemical reaction, the reactants are converted into products.
化学反応では、反応物が生成物に変換されます。
The concentration of the reactant affects the reaction rate.
反応物の濃度は反応速度に影響を与えます。