switch-offn.
The turning off of an (electrical) power supply, television set, etc., by means of a switch. Also attributive and transferred.
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the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [noun] > switch on or off
switch-off1947
switch-on1950
the world > life > biology > substance > process stimulators or inhibitors > antiviral substance > [noun] > switch on or off of interferon production
switch-off1978
switch-on1978
1947 Times 11 Feb. 2/3 Liverpool electricity undertaking..reduced its load by about 55 per cent, during both the morning and afternoon switch-off periods.
1966 Listener 7 July 9/2 Television is continually at the mercy either of switch-off or switch-over.
1974 Times 15 Jan. 14/3 A mass switch-off of electrical appliances.
1978 Nature 5 Jan. 10/3 This suggests that the switch-off of interferon production is due to cessation of mRNA synthesis as well as to its inactivation.
1980 Daily Tel. 10 Mar. 13/2 The home viewer who cannot cope with BBC2 or the switch-off button is going to feel swamped by the Olympics.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).
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n.1947