# Toffoli gate

> English word · Noun

## Definitions
1. A three-bit computational circuit that inverts the third bit if the first two bits are set, or in other cases leaves all bits unchanged.

## Etymology
Invented by Tommaso Toffoli.

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