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English definition of “inertia”

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inertia

noun [U]  /ɪˈnɜr·ʃə/ us  
the tendency not to change what is happening: Many teachers were reluctant to use computers in their classrooms simply out of inertia. physics Inertia is the force that causes something moving to tend to continue moving, and that causes something not moving to tend to continue not to move.
(Definition of inertia from the Cambridge Academic Content Dictionary © Cambridge University Press)
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