hypotonicity

from WordNet (r) 3.0 (2006)
hypotonicity
    n 1: (of a solution) the extent to which a solution has a lower
         osmotic pressure than some other [ant: {hypertonicity}]
    2: (of muscular tissue) the state of being hypotonic [syn:
       {hypotonia}, {hypotonus}, {hypotonicity}] [ant: {hypertonia},
       {hypertonicity}, {hypertonus}]
    

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