(of a solution) having a lower osmotic pressure than a comparison solution
hypotonic详细解释
hy.po.ton.ic adj.（形容词）Pathology Having less than normal tone or tension, as of muscles or arteries.【病理学】 张力减退的：（比如动脉或肌肉）比正常张力少的Chemistry Having the lower osmotic pressure of two fluids.【化学】 低渗透的：两种液体低渗压的 【引伸】 hy.potonic.ity
