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phospholipid

[ fos-foh-lip-id ]

noun

, Biochemistry.
  1. any of a group of fatty compounds, as lecithin, composed of phosphoric esters, and occurring in living cells.

phospholipid

/ ˌfɒsfəˈlɪpɪd /

noun

  1. any of a group of compounds composed of fatty acids, phosphoric acid, and a nitrogenous base: important constituents of all membranes Also calledphosphatide

phospholipid

/ fŏs′fō-lĭp′ĭd /

  1. 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.

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Word History and Origins

Origin of phospholipid1

First recorded in 1925–30; phospho- + lipid

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phospholipasephospholipid bilayer

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