tonic (
http://definr.com/tonic)
adj 1: (physiology) of or relating to or producing normal tone or
tonus in muscles or tissue; "a tonic reflex"; "tonic
muscle contraction"
2: employing variations in pitch to distinguish meanings of
otherwise similar words; "Chinese is a tonal language"
[syn:
tonal]
3: used of syllables; "a tonic syllables carries the main
stress in a word" [syn:
accented] [ant:
atonic]
4: relating to or being the keynote of a major or minor scale;
"tonic harmony"
5: imparting vitality and energy; "the bracing mountain air"
[syn:
bracing,
brisk,
energizing,
energising,
fresh,
refreshing,
refreshful]
n 1: lime- or lemon-flavored carbonated water containing quinine
[syn:
tonic water,
quinine water]
2: a sweet drink containing carbonated water and flavoring; "in
New England they call sodas tonics" [syn:
pop,
soda, {soda
pop},
soda water]
3: (music) the first note of a diatonic scale [syn:
keynote]
4: a medicine that strengthens and invigorates [syn:
restorative]