react
Pronunciation
[change]- IPA (key): /ri'ækt/
Audio (UK) (file) - Hyphenation: re‧act
Verb
[change]
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
![](http://178.128.105.246/content-http-upload.wikimedia.org/wikipedia/commons/thumb/3/31/Military-trained-dolphin.jpg/220px-Military-trained-dolphin.jpg)
![](http://178.128.105.246/content-http-upload.wikimedia.org/wikipedia/commons/2/26/Bimetal_coil_reacts_to_lighter.gif)
- (intransitive) If you react to a person or event, you do something because of the person or event.
- When someone shouts at you, you usually react by shouting back.
- (intransitive) If you react to a medicine or other substance, something happens in your body because of it.
- She reacts badly to asprin. Her skin becomes red all over her body.
- (intransitive) When two or more chemicals react, they combine to form new chemical compounds.