Pronunciation: (lip'id, lī'pid), [key]
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,lip•idePronunciation: (lip'īd, -id, lī'pīd, -pid). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.