单词 | detent |
释义 | detent/dɪˈtɛnt /noun 1A catch in a machine which prevents motion until released: a system of detents is used to ensure that gears are held in whatever position is selected [as modifier]: a detent spring...
1.1A catch that regulates striking in a clock.As will be seen from the following photos, the detent, which is the heart of the chronometer escapement and gives it its accuracy, has been badly damaged and had to be replaced....
OriginLate 17th century (denoting a catch in a clock): from French détente, from Old French destente, from destendre 'slacken', from des- (expressing reversal) + Latin tendere 'to stretch'. |
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