lipid; fat
Biochemistry term for fats, oils, and related compounds. In everyday contexts, it often refers to dietary fat or body fat.
This snack is high in fat.
This food is low in fat.
Dyslipidemia is one of the lifestyle-related diseases.
I'm careful about how much fat I take in for the sake of my health.
The doctor told me to cut back on fat.
油 refers broadly to oils, whether cooking oil or petroleum, whereas 脂質 specifically names the biochemical class of lipids.
脂質 is the broad category term for lipids (including fats, cholesterol, and fatty acids), while 脂肪酸 refers specifically to fatty acid molecules themselves.
脂質 is the broad scientific term for lipids/fats in general, while コレステロール names one specific fat-like substance within that category.
脂質 is the biochemistry term for lipids as a class of molecules, while 油脂 is the more general term for fats and oils as everyday substances.
low-fat
glycolipid
lipoid
phospholipid
simple lipid
Compound of 脂 (し, 'fat, oil') and 質 (しつ, 'substance, quality'). The reading ししつ follows standard on'yomi. The term was coined in modern scientific contexts to translate 'lipid'.
sphingolipid