Definition of activate verb from the Oxford Advanced Learner's Dictionary

 

activate

 verb
verb
BrE BrE//ˈæktɪveɪt//
 
; NAmE NAmE//ˈæktɪveɪt//
 
Verb Forms present simple I / you / we / they activate
BrE BrE//ˈæktɪveɪt//
 
; NAmE NAmE//ˈæktɪveɪt//
 
he / she / it activates
BrE BrE//ˈæktɪveɪts//
 
; NAmE NAmE//ˈæktɪveɪts//
 
past simple activated
BrE BrE//ˈæktɪveɪtɪd//
 
; NAmE NAmE//ˈæktɪveɪtɪd//
 
past participle activated
BrE BrE//ˈæktɪveɪtɪd//
 
; NAmE NAmE//ˈæktɪveɪtɪd//
 
-ing form activating
BrE BrE//ˈæktɪveɪtɪŋ//
 
; NAmE NAmE//ˈæktɪveɪtɪŋ//
 
Devices
 
jump to other results
activate something to make something such as a device or chemical process start working The burglar alarm is activated by movement. The gene is activated by a specific protein. see also voice-activated See related entries: Devices
See the Oxford Advanced American Dictionary entry: activate