One of the mysteries of the English language finally explained.
A kind of electric motor designed so that, when it is operating as a receiver, the angular position of its rotor is maintained the same as that of the rotor of a similar motor electrically connected to it and operating as a transmitter. Originally: a particular design of receiver in which the rotor is a simple magnetic member without windings polarized by a fixed coil and moved by a three-phase stator.
1940s; earliest use found in Electronic Engineering. Probably from mag- + slip.
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