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English definition of “device”

device

noun [C]  /dɪˈvɑɪs/ us  

device noun [C] (OBJECT)

an object or machine that has been invented to fulfill a particular purpose: a handheld device a safety device electronic/mechanical devices He invented a device for measuring very small distances exactly.

device noun [C] (METHOD)

a method that is used to produce a desired effect: His temper tantrums were just a device for attracting attention.
(Definition of device from the Cambridge Academic Content Dictionary © Cambridge University Press)
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