automatic beat au·to·mat·ic beat (ô’tə-māt’ĭk)
An ectopic beat that arises anew and is not precipitated by the preceding beat.
- Automatic data processing
ADP. Historical Examples It does not include in this figure any purchases of automatic data processing equipment. Warren Commission (5 of 26): Hearings Vol. V (of 15) The President’s Commission on the Assassination of President Kennedy
- Automatic dialer
auto-dialer. a telephone device that makes possible a service feature (au·to-dial) whereby a call is automatically made in response to a brief input signal from the user, as the pressing of a button.
- Automatic door
noun a self-opening door Historical Examples It was an automatic door, and resisted their every effort—until finally they were forced to tear it out with a ray. The Black Star Passes John W Campbell
- Automatic drive
automatic transmission. an automotive transmission requiring either very little or no manual shifting of gears. noun a transmission system in a motor vehicle, usually incorporating a fluid clutch, in which the gears change automatically
- Automatic exposure
noun the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism Also called autoexposure