Word Study
lipid
CIDE DICTIONARY
lipid, n. [Gr. li`pos fat.].
Any of a variety of oily or greasy organic compounds found as major structural components of living cells; they are insoluble in water but soluble in organic solvents such as alcohol and ether, and include the common fats , cholesterol and other steroids, phospholipids , sphingolipids , waxes , and fatty acids ; some of the lipids, together with proteins and carbohydrates, form an essential structural component of living cells, as in the cell walls and membranes. The term lipid refers to its solubility in nonpolar solvents, and has no significance with regard to chemical structure. [WordNet 1.5]
OXFORD DICTIONARY
lipid, n. Chem. any of a group of organic compounds that are insoluble in water but soluble in organic solvents, including fatty acids, oils, waxes, and steroids.
Etymology
F lipide (as LIPASE)
THESAURUS
lipid
animal oil, cerate, cholesterol, drying oil, essential oil, ester, fat, fatty oil, fixed oil, glyceride, grease, hydrogenated fat, lipin, lipoid, mineral oil, oil, oleum, polyunsaturated fat, sebum, steroid, tallow, unsaturated fat, vegetable oil, volatile oilFor further exploring for "lipid" in Webster Dictionary Online