react Meaning in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “react” in the English Dictionary

"react" in British English

See all translations

reactverb [I]

uk   us   /riˈækt/
B2 to ​act in a ​particular way as a ​directresult of something ​else: She ​slapped him and called him ​names, but he didn't react. The ​judge reacted ​angrily to the ​suggestion that it hadn't been a ​fairtrial. Many ​people react (​badly) to (= are made ​ill by)penicillin. chemistry to ​change in a ​physical or ​chemical way when put with another ​substance: Potassium reacts withwater.
More examples
Phrasal verbs
(Definition of react from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"react" in American English

See all translations

reactverb [I]

 us   /riˈækt/
to ​act in a ​particular way as a ​directresult of something ​else: How do you ​think she’ll react when she ​hears the ​news? The ​StateDepartment reacted ​favorably to the ​proposal. chemistry If ​substances react, they ​change when ​brought together.
(Definition of react from the Cambridge Academic Content Dictionary © Cambridge University Press)

"react" in Business English

See all translations

reactverb [I]

uk   us   /riˈækt/
if ​prices or ​markets react, their ​levelsrise or ​fall as a ​directresult of something that ​happens: react to sth How did ​bankshareprices react to last year's ​financialresults?react badly/favourably/positively The ​market reacted ​positively to last week's ​news of the £53.7m ​bid.react with sth The ​shares reacted with a 22p ​fall to 684p.
to ​behave in a particular way as a ​directresult of something else: react calmly/​cautiously react quickly/​stronglyreact to sth The ​union reacted angrily to the threat of ​joblosses.react by doing sth China has reacted to ​reports of unsafe ​products by cracking down on its own ​manufacturers.
(Definition of react from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of react?
Add Cambridge dictionaries to your browser to your website
Word of the Day
coeducational

having male and female students being taught together in the same school or college rather than separately

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

hyperpalatable adjective
hyperpalatable adjective
August 24, 2015
describes food with heightened levels of sugar and salt, intended to be extremely appealing In Brazil, where the prevalence of overweight and obese adults has doubled since 1980, crisps, biscuits, energy bars and sugary drinks formulated to be ‘hyper-palatable’ are much more widely eaten than previously.

Read More