synchro unit

[ sing-kroh ]
/ ˈsɪŋ kroʊ /

noun Electricity.

a type of alternating-current motor designed to maintain continuously, at some remote location, the same rotational angle that may be imposed by force upon the electrically connected rotating element of a similar motor.

Origin of synchro unit

synchro, shortened form of synchronous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019