/ Thesaurus / H Synonyms of hypertonicity Find synonyms for: Noun1. hypertonicity, osmotic pressureusage: (of a solution) the extent to which a solution has a higher osmotic pressure than some other2. hypertonia, hypertonus, hypertonicity, tonicity, tonus, toneusage: (of muscular tissue) the state of being hypertonicWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language