adjective
- of, producing, or tending to produce good muscular tone, or tension
- mentally or morally invigorating; stimulating
- having to do with tones; specif.,
- Music designating or based on the first tone (keynote) of a diatonic scale: a tonic chord
- Painting having to do with the tone or tones of a picture
- Phonet., Now Rare designating or of sounds characterized by resonance in the head cavities; also, accented
- Med., Physiol. of or characterized by tone, or tonus
Origin:
Gr tonikos < tonos: see tone