S: (n) lipid, lipide, lipoid (an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates))
S: (n) fat (a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)) "pizza has too much fat"
S: (n) triglyceride (glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body)
S: (n) oil (a slippery or viscous liquid or liquefiable substance not miscible with water)
S: (n) phospholipid (any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes)
S: (n) wax (any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water)