flux gate

noun

1. Physics.,  an instrument for indicating the field strength of an external magnetic field, as that of the earth: used in some gyrocompasses and magnetometers.

Word History and Origins

Origin of flux gate¹

First recorded in 1945–50

Example Sentences

The new "gyro flux gate" compass, designed especially for aircraft, is already at work guiding United Nations flyers unerringly to their targets.

From Time Magazine Archive

The gyro flux gate compass, on which Bendix engineers worked seven years, is based on an entirely different principle.

From Time Magazine Archive