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.
| phospholipid (fŏs'fō-lĭp'ĭd) Pronunciation Key
Any of various phosphorus-containing lipids, such as lecithin, that are composed mainly of fatty acids, a phosphate group, and a simple organic molecule such as glycerol. Phospholipids are the main lipids in cell membranes. |