automatic transmission

noun

an automotive transmission requiring either very little or no manual shifting of gears.

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Also called automatic, automatic drive.

Origin of automatic transmission

First recorded in 1945–50

Words nearby automatic transmission

automatic pistol, automatic redial, automatic repeat, automatic rifle, automatic tracking, automatic transmission, automatic vending, automatic writing, automatic-teller machine, automatically, automation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for automatic drive

automatic transmission

noun

a transmission system in a motor vehicle, usually incorporating a fluid clutch, in which the gears change automatically
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012