tonicity

tonicity definition - medical

to·nic·i·ty (tō-nĭsˈĭ-tē)

noun
  1. Normal firmness or functional readiness in body tissues or organs.
  2. The sustained partial contraction of resting or relaxed muscles.
  3. The osmotic pressure or tension of a solution, usually relative to that of blood.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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