| 单词 | to make or break contact |
| 释义 | > as lemmasto make or break contact c. to make or break contact: to complete or interrupt an electric circuit. Cf. contact-breaker n., contact-maker n. at Compounds 3. Hence, the touching or uniting of points or surfaces of conductors to permit the flow of electric current; also, a device for effecting this. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > connect [verb (transitive)] > complete to make or break contactc1860 close1876 the world > matter > physics > electromagnetic radiation > electricity > circuit > circuit-breaker > interrupt circuit [verb (transitive)] open1832 to make or break contactc1860 the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [noun] connection1832 bonding1910 to make contact1915 the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [noun] > connection between conductors connecter1795 connection1832 bond1903 to make contact1915 spade terminal1968 c1860 M. Faraday Var. Forces Nature vi. 168 If I make contact with the battery, they are attracted at once. 1881 J. C. Maxwell Treat. Electr. & Magnetism (ed. 2) II. 172 If we make contact only for an instant, and then break contact, the two induced currents pass through the galvanometer in..rapid succession. 1915 ‘Bartimeus’ Tall Ship i. 30 ‘I suppose you tested the contacts?’ he asked. 1932 H. Nicolson Public Faces vii. 192 He stood stock still beside the aeroplane while the pilot fiddled inside with the contacts. < as lemmas |
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