EnglishMain Dictionary
tonic
Universal Words
noun
1 (also tonic water) [U,C] a clear FIZZY drink (= with bubbles in it) with a slightly bitter taste, that is often mixed with a strong alcoholic drink, especially GIN or VODKA:
a gin and tonic
2 [C] a medicine that makes you feel stronger and healthier, taken especially when you feel tired:
herbal tonics
3 [C,U] a liquid that you put on your hair or skin in order to make it healthier:
hair / skin tonic
4 [C,usually sing.] (old-fashioned) anything that makes people feel healthier or happier:
The weekend break was just the tonic I needed.
5 [C] (music) the first note of a SCALE of eight notes
