# gillion

> English word · Numeral · IPA /ˈɡɪljən/

## Definitions
1. A thousand million, proposed as an alternative to the (now little used) British milliard and the (ambiguous, in the UK) US billion.

## Etymology
From gi(ga)- + -illion. Modelled after million, billion etc. Compare also jillion.

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