/lip"id, luy"pid/ , n. Biochem.
any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with proteins and carbohydrates, the chief structural components of living cells.
Also, lipide /lip"uyd, -id, luy"puyd, -pid/ .
[ 1920-25; LIP- + -ID 3 ]