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tonicity
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to·nic·i·ty

noun \tō-ˈni-sə-tē\

Definition of TONICITY

1
: the property of possessing tone; especially : healthy vigor of body or mind
2
: muscular tonus

First Known Use of TONICITY

1824

Rhymes with TONICITY

basicity, causticity, centricity, chronicity, clonicity, conicity, cyclicity, ethnicity, facticity, felicity, lubricity, mendicity, plasticity, publicity, rhythmicity, seismicity, simplicity, spasticity, sphericity, toxicity, triplicity

to·nic·i·ty

noun \tō-ˈnis-ət-ē\   (Medical Dictionary)
plural ; to·nic·i·ties

Medical Definition of TONICITY

1
: the property of possessing tone; especially : healthy vigor of body or mind
2
: tonus 2
3
: the osmotic pressure of a solution <the cells swell and shrink with changing tonicity of the environment>

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