# tonic water

> English word · Noun

## Definitions
1. A carbonated beverage containing quinine, originally used as a prophylactic against malaria, and now used as a soft drink or as a mixer in gin and tonic and other cocktails.

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