reactant

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

reagente

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

:
In a chemical reaction, the reactants are converted into products.
In una reazione chimica, i reagenti vengono convertiti in prodotti.
The concentration of the reactant affects the reaction rate.
La concentrazione del reagente influisce sulla velocità di reazione.