SOLENOID

(Yunanca köken — orijinale bakınız.) In Electro-Dynamics, a name given by Amp6re to a system of small electrical currents, equal and equidistant, and returning into themselves, the planes of which are normals to any given line, whether a straight line or curve, upon which their centres are situated, and which forms the axis oi the solenoid. (Despretz, Traiiede Pliysique, 1836.) [s. 1143]