'hypotonicity' definitions:
Definition of 'hypotonicity'
(from WordNet)
noun
(of a solution) the extent to which a solution has a lower osmotic pressure than some other [ant: hypertonicity]
noun
(of muscular tissue) the state of being hypotonic [syn: hypotonia, hypotonus, hypotonicity] [ant: hypertonia, hypertonicity, hypertonus]