Word Study
solenoid
CIDE DICTIONARY
solenoid, n. [Gr. channel + -oid.].
An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet. [1913 Webster]
OXFORD DICTIONARY
solenoid, n. a cylindrical coil of wire acting as a magnet when carrying electric current.
Derivative
solenoidal adj.
Etymology
F sol{eacute}no{iuml}de (as SOLEN)
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