Dictionary

reagent

noun re·agent \rē-ˈā-jənt\

chemistry : a substance that is used to test for the presence of another substance by causing a chemical reaction with it

Full Definition of REAGENT

:  a substance used (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical or biological activity
ADVERTISEMENT

Origin of REAGENT

New Latin reagent-, reagens, present participle of reagere to react — more at react
First Known Use: 1797

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous
Medical Dictionary

reagent

noun re·agent \rē-ˈā-jənt\

Medical Definition of REAGENT

1
:  a substance used (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical or biological activity
2
:  reactor 1b

Browse

8 ENTRIES FOUND:
Next Word in the Dictionary: reaggregatePrevious Word in the Dictionary: reagencyAll Words Near: reagent
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears