reactive adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of reactive adjective from the Oxford Advanced American Dictionary

reactive

adjective

NAmE//riˈæktɪv//

1(formal) showing a reaction or response The police presented a reactive rather than preventive strategy against crime. compare proactive

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2(chemistry) tending to show chemical change when mixed with another substance highly reactive substances

See reactive in the Oxford Advanced Learner's Dictionary

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