From The Collaborative International Dictionary of English v.0.48: 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]
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]