noun
: a synchronous motor that utilizes the hysteresis effect in a solid rotor of permanent-magnet material to achieve synchronism and is used especially in sound recording and reproducing machines
noun
: a synchronous motor that utilizes the hysteresis effect in a solid rotor of permanent-magnet material to achieve synchronism and is used especially in sound recording and reproducing machines
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012