1
tonic (adj.)of or relating to or producing normal tone or tonus in muscles or tissue;
tonic (adj.)employing variations in pitch to distinguish meanings of otherwise similar words;
tonic (adj.)(used of syllables) bearing the principle stress, usually accompanied by a change in pitch;
a tonic syllables carries the main stress in a word
Synonyms: accented
tonic (adj.)relating to or being the keynote of a major or minor scale;
tonic (adj.)imparting vitality and energy;
2
tonic (n.)lime- or lemon-flavored carbonated water containing quinine;
Synonyms: tonic water / quinine water
tonic (n.)a sweet drink containing carbonated water and flavoring;
in New England they call sodas tonics
Synonyms: pop /
soda /
soda pop /
soda water tonic (n.)(music) the first note of a diatonic scale;
tonic (n.)a medicine that strengthens and invigorates;