# slushbox

> English word · Noun

## Definitions
1. Synonym of automatic transmission.

## Etymology
From slush + box, in reference to the fluid-coupling action of the torque converter. A popular notion portrays this action as "slushing around" that involves greater power losses than with manual transmissions, although the notion is a comic exaggeration.

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