degaussv.

1940 Times 9 Mar. 6/5 Since the object of the device was to render ships non-magnetic, the verb to ‘de-gauss’..was coined to indicate its function.

1960 J. L. Bernstein Video Tape Recording xii. 259 It is wise to degauss the heads prior to each recording session.

1940 Times 9 Mar. 6/5 One of the officers responsible for its development expressed himself perfectly ready himself to take any properly de-gaussed ship over any number of magnetic mines.

1968 W. H. Buchsbaum Color TV Servicing (ed. 2) v. 50 Degaussing a picture tube, just like demagnetizing the tape recorder head, is accomplished by generating a strong AC field around the degaussed object and then gradually reducing this field.

1940 Daily Tel. 9 Mar. 1/4 A new word (de-gaussing) has been added to the wartime vocabulary of the Royal Navy as the result of the arrival of the German magnetic mine. It implies de-magnetising, or de-polarising a ship.

1940 Times 9 Mar. 6/5 The ‘de-gauss-ing girdle’..consists of ordinary insulated electric cable, energized in a special way by an electric current.

1940 Manch. Guardian Weekly 15 Mar. 201 A device which makes a ship incapable of affecting the magnetic needle in the mine. The apparatus is known as a degaussing girdle. It takes the form of an electric cable following the line of the hull round the ship's upper deck or bulwark.

1946 W. S. Churchill Secret Session Speeches 25 The protective measures of the Admiralty—convoy, diversion, degaussing.

1954 C. P. Snow New Men 13 He was working at Rosyth in one of the first degaussing parties.

1960 O. Skilbeck ABC of Film & TV Working Terms 39 Degaussing, the process of removing residual magnetism from metallic objects. It is necessary frequently to degauss cutting room equipment.

1969 Daily Tel. 21 July 10/8 Any colour receiver is sensitive to magnetic influences..and an elaborate degaussing process had to be applied to the first receivers that I used.