American English

Definition of reactivity noun from the Oxford Advanced American Dictionary

 

reactivity

 noun
noun
NAmE//ˌriækˈtɪvət̮i//
 
[uncountable, countable] (chemistry)
 
jump to other results
the degree to which something reacts, or is likely to react Oxygen has high reactivity.
See the Oxford Advanced Learner's Dictionary entry: reactivity