Found 2 items, similar to tonicity.
English → English (WordNet) Definition: tonicity tonicity n : the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; “the doctor tested my tonicity” [syn: tonus, tone] [ant: atonicity]
English → English (gcide) Definition: Tonicity Tonicity \To*nic"i*ty\, n. (Physiol.) The state of healthy tension or partial contraction of muscle fibers while at rest; tone; tonus. [1913 Webster]