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solenoid
[ soh-luh-noid, sol-uh- ]
noun
- Electricity. an 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.
- Also called solenoid 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.
- Meteorology. a space formed by the intersection of isobaric and isosteric surfaces.
solenoid
/ ˈsəʊlɪˌnɔɪd /
noun
- 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
- 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
solenoid
/ sō′lə-noid′ /
- A coil of wire that acts as an electromagnet when electric current is passed through it, often used to control the motion of metal objects, such as the switch of a relay.
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Derived Forms
- ˌsoleˈnoidal, adjective
- ˌsoleˈnoidally, adverb
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Word History and Origins
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Word History and Origins
Origin of solenoid1
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Example Sentences
The amount the armature B is rotated will depend upon the relative effects of the pole of the solenoid and the permanent magnet G.
The effect can be very greatly increased by providing the solenoid with a soft-iron core.
It was International code—being sent as fast as the solenoid could be operated.
Such a low, parallel magnetic field would quite probably be found inside of a simple solenoid coil.
On the lower horizontal roller carrying the supply of paper is a ratchet and pawl movement, actuated by a solenoid.
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