Noun
English Wikipedia has an article on:tonic waterWikipedia
tonic water (countable and uncountable, plural tonic waters)
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.
A gin & tonic is one of the UK's favourite drinks, but due to the added sugars of tonic water, a typical 210ml serving can contain about 170 calories. Source: Internet
A really good thing to take your pills or vitamins with is chilled tonic water. Source: Internet
Bakers of all skill levels will learn something along the way when making these desserts—like the fact that substituting tonic water into a recipe will make it glow under a blacklight. Source: Internet
Drinking quinine (tonic water) before bedtime can alleviate night cramps. Source: Internet
A splash of tonic water or club soda with a squirt of lemon or lime vastly improves them for me. Source: Internet
Couldn’t believe I was drinking tonic water so tasty! Source: Internet