Definition of reagent noun from the Oxford Advanced Learner's Dictionary

 

reagent

 noun
noun
BrE BrE//riˈeɪdʒənt//
 
; NAmE NAmE//riˈeɪdʒənt//
 
(chemistry)
 
jump to other results
a substance used to cause a chemical reaction, especially in order to find out if another substance is present
See the Oxford Advanced American Dictionary entry: reagent