Definitions

1. noun

The quality or state of being tonic; also, the state of muscle contraction or tension.

“The physical therapist examined her patient’s tonicity to assess the muscle strength.”

2. noun

In physiology, the degree of muscle contraction or tension.

“The doctor measured the patient’s tonicity to determine the effectiveness of the therapy.”

3. noun

In pharmacology, the capacity of a drug to contract or relax muscles.

“The researcher studied the tonicity of the new medication to understand its effects on the human body.”

4. noun

In psychology, a state of heightened physical or mental awareness.

“The athlete’s tonicity before the game helped her focus and perform at her best.”