hypertonic

/ˌhaɪpərˈtɑnɪk/
adjective
  1. Having a higher concentration of dissolved substances than another solution (such as blood or cells), causing water to move out of cells.
    • A hypertonic saline solution is sometimes used to treat severe dehydration.
    • When a plant cell is placed in a hypertonic solution, it loses water and shrinks.
    • Doctors may use hypertonic drinks to help athletes rehydrate quickly.
  2. Having excessive muscle tone or stiffness.
    • Stretching exercises can help manage hypertonic muscle conditions.
    • The patient's hypertonic muscles made it difficult for her to relax.
    • Hypertonic limbs are a common symptom in certain neurological disorders.
Antonyms
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