tonicity
/toʊˈnɪsəti/
noun
- The state of having normal muscle tone or firmness.
- The physical therapist checked the tonicity of the patient's legs after the injury.
- Adequate hydration is important for healthy skin tonicity.
- Regular exercise helps maintain good tonicity in your muscles.
- The osmotic pressure or concentration of a solution, especially in biology.
- The tonicity of the saline solution must match that of human blood for safe IV use.
- In biology class, we learned how tonicity affects cell size in different liquids.
- The tonicity of the surrounding fluid determines whether a plant cell will swell or shrink.