The definition of a solenoid is coil of wire that acts like a magnet when a flow of electricity passes through it.(noun)
An example of a solenoid is the part of a car's starting system that transfers the electric current from the ignition to the motor.
See solenoid in Webster's New World College Dictionary
Origin: Fr solénoïde < Gr sōlēn, a tube, channel (< IE *tul- < base *twō- > Sans tūṇa, a quiver) + eidos, -oid
See solenoid in American Heritage Dictionary 4
Origin: French solénoïde
Origin: , from Greek sōlēnoeidēs, pipe-shaped
Origin: : sōlēn, pipe
Origin: + -oeidēs, -oid.
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