The quantitative measure of how much of a substance can dissolve in a solvent under specified conditions (often expressed numerically).
塩の水における溶解度は温度によって変わる。
The solubility of salt in water changes depending on the temperature.
溶解度は一般にg/100mLのような単位で表示されることが多い。
Solubility is often expressed in units like g/100 mL.
この薬の溶解度を測定して、服用方法を決めた。
We measured the solubility of this drug and decided on the administration method.