Go Back to Top

Definition of tonic

tonic - adj. used of syllables; relating to or being the keynote of a major or minor scale; employing variations in pitch to distinguish meanings of otherwise similar words; of or relating to or producing normal tone or tonus in muscles or tissue; imparting vitality and energy; noun a medicine that strengthens and invigorates; (music) the first note of a diatonic scale; lime- or lemon-flavored carbonated water containing quinine; a sweet drink containing carbonated water and flavoring.



Tonic on: Dictionary  Google  Wikipedia  YouTube (new tab)