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English definition of “override”

override

noun [C] (DEVICE)    /ˌəʊ.vəˈraɪd/ US  /ˌoʊ.vɚ-/
a device that changes the control of a machine or system in special situations, especially from automatic to manual: The heating system has a manual override.Mechanical engineeringElectrical switches and connections
(Definition of override noun (DEVICE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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