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English definition of “deploy”

deploy

verb [I/T]    /dɪˈplɔɪ/
to put something into use: [I] When airbags deploy, they save lives. [T] Automobiles deploy air bags in crashes of 8 to 12 miles per hour. To deploy is also to move weapons or military forces to where they will be used when they are needed: [T] The UN is deploying observers. deployment    /dɪˈplɔɪ·mənt/ noun [U] the deployment of missiles/troops
(Definition of deploy verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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