noun, noun-modifying (irregular)
fat-solubility; lipid solubility
Technical term used in chemistry, pharmacology, and nutrition to describe a substance's ability to dissolve in fats or lipids.
This vitamin is fat-soluble, so taking it with oil improves absorption.
Lipid-soluble drugs easily pass through cell membranes.
水溶性 describes substances that dissolve in water, while 脂溶性 describes substances that dissolve in fats or oils instead.
fat-soluble vitamin
Compound of 脂 (fat, lipid) + 溶性 (solubility). The exact historical derivation is uncertain; the term follows standard Sino-Japanese word formation patterns.