automatic degausser

automatic degausser

[¦ȯd·ə¦mad·ik dē′gau̇s·ər] (electronics) An arrangement of degaussing coils mounted around a color television picture tube, combined with a special circuit that energizes these coils only while the set is warming up; demagnetizes any parts of the receiver that have been affected by the magnetic field of the earth or of any nearby home appliance.