automatic transmission

American  

noun

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

---

automatic transmission British  

noun

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

---

Etymology

Origin of automatic transmission

First recorded in 1945–50

Example Sentences

But its automatic transmission and small engine still left me feeling bored.

From The Wall Street Journal

If the test is taken in an automatic car, the driver would get a Category B Auto licence, restricting them to driving to vehicles with automatic transmission only.

From BBC

But buyers wanting an automatic transmission or all-weather utility will still find the Golf R a more agreeable option.

From Seattle Times

That potent engine is unfortunately only paired with an automatic transmission.

From Seattle Times

If a third pedal is not for you, the Z is also available with a nine-speed automatic transmission with paddle shifters.

From The Verge