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