noun
hydrogenated oil; hardened oil
Technical term for oil that has been chemically hardened through hydrogenation, used in food processing and industrial applications.
マーガリンは硬化油から作られることが多い。
Margarine is often made from hydrogenated oil.
硬化油は加工食品に広く使われている。
Hydrogenated oil is widely used in processed foods.
硬化 means hardening in general; 硬化油 specifically refers to hardened oil.
Compound of 硬化 (hardening) and 油 (oil), directly describing oil that has been hardened through hydrogenation.