activate Meaning in the Cambridge English Dictionary
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Meaning of “activate” in the English Dictionary

"activate" in British English

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activateverb [T]

uk   us   /ˈæk.tɪ.veɪt/
to ​cause something to ​start: The ​alarm is activated by the ​lightestpressure. specialized chemistry to make a ​chemicalreactionhappen more ​quickly, ​especially by ​heating
activation
noun [U] uk   us   /ˌæk.tɪˈveɪ.ʃən/
(Definition of activate from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"activate" in American English

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activateverb [T]

 us   /ˈæk·təˌveɪt/
to ​cause something to ​startworking: Something activated the ​caralarm. In ​sports, to activate a ​player is to ​bring that ​player back to the ​regularteam after an ​injury.
activation
noun [U]  us   /ˌæk·təˈveɪ·ʃən/
(Definition of activate from the Cambridge Academic Content Dictionary © Cambridge University Press)

"activate" in Business English

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activateverb [T]

uk   us   /ˈæktɪveɪt/
to make something ​startworking or ​happening: New ​customers must ​call an ​automatedline to activate their ​card. The ​move will activate a ​clause in the ​contract which gives the ​company the ​option to ​sell or ​demand the ​outstanding £3.5m ​owed on the ​deal.
(Definition of activate from the Cambridge Business English Dictionary © Cambridge University Press)
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