| 单词 | solenoid |
| 释义 | Word Frequency solenoid(ˈsəʊlɪˌnɔɪd) noun 1. a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it 2. a coil of wire, partially surrounding an iron core, that is made to move inside the coil by the magnetic field set up by a current: used to convert electrical to mechanical energy, as in the operation of a switch 3. such a device used as a relay, as in a motor vehicle for connecting the battery directly to the starter motor when activated by the ignition switch Derived forms solenoidal (ˌsoleˈnoidal) adjective solenoidally (ˌsoleˈnoidally) adverb Word origin C19: from French solénoïde, from Greek sōlēn a pipe, tube |
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