Definition of solenoid noun from the Oxford Advanced Learner's Dictionary

 

solenoid

 noun
noun
BrE BrE//ˈsɒlənɔɪd//
 
; NAmE NAmE//ˈsɑːlənɔɪd//
 
; BrE BrE//ˈsəʊlənɔɪd//
 
; NAmE NAmE//ˈsoʊlənɔɪd//
 
(physics) Electronics
 
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a piece of wire, wound into circles, which acts as a magnet when carrying an electric current See related entries: Electronics Word Origin early 19th cent.: from French solénoïde, from Greek sōlēn ‘channel, pipe’.
See the Oxford Advanced American Dictionary entry: solenoid