noun so·le·noid \ˈsō-lə-ˌnid, ˈsä-\

Definition of SOLENOID

:  a coil of wire usually in cylindrical form that when carrying a current acts like a magnet so that a movable core is drawn into the coil when a current flows and that is used especially as a switch or control for a mechanical device (as a valve)
so·le·noi·dal \ˌsō-lə-ˈni-dəl, ˌsä-\ adjective

Origin of SOLENOID

French solénoïde, from Greek sōlēnoeidēs pipe-shaped, from Greek sōlēn pipe
First Known Use: 1827


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