noun🔗ShareThe normal presence of tone or tension in a muscle or organ; tonus"After her physical therapy, her leg showed improved muscle tonicity, allowing her to walk with more stability. "physiologymedicinebodyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe ability of a solution to exert an osmotic pressure upon a membrane"The tonicity of the sports drink helps to quickly rehydrate athletes by influencing the movement of water in their bodies. "physiologybiologybiochemistrymedicineChat with AIVocabulary GamePractice Reading