# automatic transmission

> English word · Noun

## Definitions
1. A vehicle transmission which shifts gears automatically in response to vehicle speed and/or load, and does not require any driver input to manually change gears under normal driving conditions; an automatic gearbox.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/automatic-transmission