a radar tracking system in which an automatic device uses the echo signal from the tracked object to keep the radar constantly beamed on target and to compute the range of the object.
- Automatic transmission
an automotive transmission requiring either very little or no manual shifting of gears. Historical Examples The two readings were electronically added and fed into the transducer for automatic transmission. The Thirst Quenchers Rick Raphael noun a transmission system in a motor vehicle, usually incorporating a fluid clutch, in which the gears change automatically
- Automatic vending
noun selling goods by vending machines Historical Examples The 1c and 2c values of this series were issued in coil form for use in automatic vending machines. The Stamps of Canada Bertram Poole
- Automatic writing
writing performed without apparent intent or conscious control, especially to achieve spontaneity or uncensored expression. Contemporary Examples The myth is that the strangeness of On the Road comes from an off-the-cuff American style of “automatic writing.” You Don’t Know Jack: Kerouac Biographer Joyce Johnson and ‘The Voice Is All’ Lauren Du Graf September 15, 2012 […]
having the capability of starting, operating, moving, etc., independently: an automatic sprinkler system; an automatic car wash. Physiology. occurring independently of volition, as certain muscular actions; involuntary. done unconsciously or from force of habit; mechanical: an automatic application of the brakes. occurring spontaneously: automatic enthusiasm. (of a firearm, pistol, etc.) utilizing the recoil or part […]