English

Definition of metronome noun from the Oxford Advanced Learner's Dictionary

 

metronome

 noun
noun
BrE BrE//ˈmetrənəʊm//
 
; NAmE NAmE//ˈmetrənoʊm//
 
 
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a device that makes a regular sound like a clock and is used by musicians to help them keep the correct rhythm when playing a piece of music Word Origin early 19th cent.: from Greek metron ‘measure’ + nomos ‘law’.
See the Oxford Advanced American Dictionary entry: metronome