phos·pho·lip·id   (fŏs'fō-lĭp'ĭd)    n.  Any of various phosphorus-containing lipids, such as lecithin and cephalin, that are composed mainly of fatty acids, a phosphate group, and a simple organic molecule. Also called phosphatide.

Main Entry: phos·pho·lip·id
Pronunciation: -'lip-&d
Variant: also phos·pho·lip·ide /-"Id/
Function:noun
: any of numerous lipids (as lecithins and sphingomyelin) in which phosphoric acid as well as a fatty acid is esterified to glycerol and which are found in all living cells andin the bilayers of plasma membranes called also phosphatide, phospholipin

phospholipid phos·pho·lip·id (fŏs'fō-lĭp'ĭd)
n.
Any of various phosphorous-containing lipids that are composed mainly of fatty acids, a phosphate group, and a simple organic molecule. Also called phosphatide.