Noun | 1. | tonic - lime- or lemon-flavored carbonated water containing quinine Synonyms: quinine water, tonic water |
2. | tonic - a sweet drink containing carbonated water and flavoring; "in New England they call sodas tonics" | |
3. | tonic - (music) the first note of a diatonic scale Synonyms: keynote | |
4. | tonic - a medicine that strengthens and invigorates Synonyms: restorative | |
Adj. | 1. | tonic - of or relating to or producing normal tone or tonus in muscles or tissue; "a tonic reflex"; "tonic muscle contraction" |
2. | tonic - employing variations in pitch to distinguish meanings of otherwise similar words; "Chinese is a tonal language" Synonyms: tonal | |
3. | tonic - used of syllables; "a tonic syllables carries the main stress in a word" Synonyms: accented Antonyms: unaccented, atonic - used of syllables; "an atonic syllable carries no stress" | |
4. | tonic - relating to or being the keynote of a major or minor scale; "tonic harmony" | |
5. | tonic - imparting vitality and energy; "the bracing mountain air" |