metronome

名词 metronome:

1. clicking pendulum indicates the exact tempo of a piece of music

met.ro.nome

n.Music （名词）【音乐】
A device used to mark time by means of regularly recurring ticks or flashes at adjustable intervals.
节拍器：一种利用间隙可调的有规律地重复出现的拍打或闪光来标记时间的仪器

来源：
Greek metron [measure] * see mô- 2
希腊语 metron [测量] *参见 mô- 2
Greek nomos [rule, division] * see nem-
希腊语 nomos [规则，区分] *参见 nem-