HYPOTONICITY Scrabble 25 Words With Friends 25 Definition noun (of a solution) the extent to which a solution has a lower osmotic pressure than some other. noun (of muscular tissue) the state of being hypotonic. — synonyms: hypotonia, hypotonus See all 193 words you can make from HYPOTONICITY → 12-letter words Words starting with H Words ending with Y ← Unscramble different letters