automatic transmission

noun

1. an automotive transmission requiring either very little or no manual shifting of gears. Compare manual transmission ( def ).

automatic transmission

noun

1. a transmission system in a motor vehicle, usually incorporating a fluid clutch, in which the gears change automatically

Word History and Origins

Origin of automatic transmission¹

First recorded in 1945–50

Example Sentences

Both platforms use twin-turbo V6s that produce near-identical power, both have 10-speed automatic transmissions, and both have a sub-2-kWh battery pack.

From Popular-Science

With its gasoline engine complemented by an electric motor mounted at the bellhousing of its 10-speed automatic transmission, the Tundra’s impressive i-Force Max powertrain gains an additional 48 horsepower and 104 lb-ft of torque.

From Popular-Science

Adult life naturally does not give us many opportunities of observing this pure form of direct and almost automatic transmission.

From Project Gutenberg

The two readings were electronically added and fed into the transducer for automatic transmission.

From Project Gutenberg