noun which may take the genitive case particle 'no', noun
Used as a noun or no-adjective to describe substances that can dissolve in a solvent. Often appears in compounds like 水溶性 (water-soluble) or 脂溶性 (fat-soluble).
このビタミンは水溶性です。
This vitamin is water-soluble.
溶性の高い物質を選んでください。
Please choose a substance with high solubility.