Examples of activate in a Sentence
Touch the screen to activate the system.
activate and then deactivate a mechanism
The camera is activated by pushing a button.
The bomb was activated by remote control.
Sunlight activates a chemical reaction in the plant's leaves.
vitamins that activate the growth of new cells
The President has activated the reserves.
Recent Examples of activate from the Web
Because of big early 20th-century floods, Houston designed two dry emergency reservoirs that are activated only in heavy rain, Addicks and Barker, both formed by earthen dams.
Because of big early 20th-century floods, Houston designed two dry emergency reservoirs that are only activated in heavy rain, Addicks and Barker, both formed by earthen dams.
Sims joined the Saskatchewan Roughriders' practice squad on Aug. 4, 2015, and was activated on Sept. 6, only to be released nine days later.
The club designated Martin for assignment for the second time this season on Wednesday when relief pitcher David Phelps was activated from the disabled list.
The decision to activate him had been expected for days.
But even when Marawi City is finally liberated, the government will be left to face myriad risks, including cross-border terrorism and the spread of terror cells with the capacity to recruit members and activate attacks.
After the game, Van Horn was placed on the seven-game disabled list and has yet to be activated.
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These example sentences are selected automatically from various online news sources to reflect current usage of the word 'activate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of activate
Synonymsactuate, crank (up), drive, move, run, set off, spark, start, touch off, trigger, turn on
Antonymscut, cut out, deactivate, kill, shut off, turn off
Related Wordskick over, turn over; charge, electrify, energize, fire, fuel, generate, power, push; discharge, launch, release, switch, trip; reactivate, recharge; arouse, excite, jump-start, kick-start, stimulate, vitalize; ignite, incite, instigate, provoke, quicken, stir up; accelerate, catalyze, speed (up), step up
Near Antonymsarrest, brake, check, cut off, draw up, halt, jam, stall, stick, stop; decelerate, repress, slow, stunt, suppress
ACTIVATE Defined for Kids
Definition of activate for Students
- Activate the alarm.
medical Definition of activate
- activated plasminogen
- activate protein synthesis
- The [spinal] cord also contains neuronal circuits …that can be activated by incoming sensory signals without input from the brain …
- —John W. McDonald et al., Scientific American, September 1999
activationplay \ˌak-tə-ˈvā-shən\ noun
Seen and Heard
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