Detent

(n.) That which locks or unlocks a movement; a catch, pawl, or dog; especially, in clockwork, the catch which locks and unlocks the wheelwork in striking.

录入:罗宾逊

• But the pressure of the escape-wheel against the detent, and the consequent friction, prevent the pendulum from acting freely. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• One of the magnetic needles acted as a detent which held a weight suspended, and when the needle was deflected, the weight fell upon a bell. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.

古斯塔夫校对