the quality or condition of having good or normal muscular tone
tonicity in American English
(touˈnɪsɪti)
noun
1.
tonic quality or condition
2.
the state of bodily tone
3. Physiology
the normal elastic tension of living muscles, arteries, etc., by which the tone of the system is maintained
Word origin
[1815–25; tonic + -ity]This word is first recorded in the period 1815–25. Other words that entered Englishat around the same time include: aesthetic, aggressive, coupon, trolley, welterweight-ity is a suffix used to form abstract nouns expressing state or condition. Other wordsthat use the affix -ity include: Latinity, civility, jollity
Examples of 'tonicity' in a sentence
tonicity
Skin was defined and volumised, firmer and with improved tonicity around the jaw and cheekbones.