In the key of c, c is the tonic - the tonic is the first note of any scale. Students learn what is most effective and what subsequent progressions to return to the tonic are good. Tonic water is a carbonated soft drink in which quinine is dissolved.

A tonic is anything that makes you feel stronger, more cheerful, or more enthusiastic. Seeing marcus at that moment was a great tonic. His generous offer was a tremendous tonic for our morale. Definition of tonic noun in oxford advanced learner's dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. An invigorating, refreshing, or restorative agent or influence.

Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. An invigorating, refreshing, or restorative agent or influence.