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