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English definition of “switch”

switch

noun (DEVICE)    /swɪtʃ/
B1 [C] a small device , usually pushed up or down with your finger , that controls and turns on or off an electric current : a light switch Can you flip the switch?Electrical switches and connections switches [plural] US for pointsElectrical switches and connections
(Definition of switch noun (DEVICE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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