noun
stearic acid
A saturated fatty acid found in many animal and vegetable fats; used in soaps, cosmetics, and candles.
ステアリン酸は石鹸の原料として使われる。
Stearic acid is used as a raw material for soap.
From English 'stearic acid', itself from Greek στέαρ (stéar, 'tallow') + -ic + acid.