tonicity
noun/təˈnɪsɪti/
Etymology From tonic + -ity.
1
Medicine, Sciences The normal presence of tone or tension in a muscle or organ; tonus
2
Sciences The ability of nonpenetrable solutes in a solution to exert an osmotic pressure upon a membrane
- Derived terms
- normotonicity
- Related terms
- hypertonic, hypotonic, isotonic