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activate

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verb [transitive] British English pronunciation: activate /ˈæktɪveɪt/ 
Word Forms
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present tense
I/you/we/theyactivate
he/she/itactivates
present participleactivating
past tenseactivated
past participleactivated
  1. to make a piece of equipment or a process start working

    You can activate the system by buttons or voice recognition.

derived word

activation

 British English pronunciation: activation /ˌæktɪˈveɪʃ(ə)n/  noun [uncountable]

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