Phospholipid
WordNet
noun
(1) Any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
WiktionaryText
Noun
- any lipid, such as lecithin or cephalin, consisting of a diglyceride combined with a phosphate group and a simple organic molecule such as choline or ethanolamine; they are important constituents of biological membranes