释义 |
WordReference Random House Learner's Dictionary of American English © 2024so•le•noid /ˈsoʊləˌnɔɪd, ˈsɑlə-/USA pronunciation n. [countable]- Electricitya coil of wire that, when carrying current, magnetically attracts a sliding iron core.
so•le•noi•dal, adj. WordReference Random House Unabridged Dictionary of American English © 2024so•le•noid (sō′lə noid′, sol′ə-),USA pronunciation n. - Electricityan electric conductor wound as a helix with small pitch, or as two or more coaxial helices, so that current through the conductor establishes a magnetic field within the conductor.
- ElectricityAlso called so′lenoid switch′. a switch controlled by such an arrangement, in which a metal rod moves when the current is turned on: used in automotive starting systems.
- Meteorologya space formed by the intersection of isobaric and isosteric surfaces.
- Greek sōlé̄n pipe, channel + French -oïde -oid
- French solénoïde
- 1825–35
Collins Concise English Dictionary © HarperCollins Publishers:: solenoid /ˈsəʊlɪˌnɔɪd/ n - a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it
- 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
Etymology: 19th Century: from French solénoïde, from Greek sōlēn a pipe, tubeˌsoleˈnoidal adj |