any of several phosphatides found in nerve tissue, blood, milk, egg yolk, soybeans, corn, etc.: used in medicine, foods, cosmetics, etc. as a wetting, emulsifying, and penetrating agent
Origin of lecithin; from Classical Greek lekithos, yolk of an egg + -in
Any of a group of phospholipids found in egg yolks and the plasma membrane of plant and animal cells, used as an emulsifier in a wide range of commercial products, including foods, cosmetics, paints, and plastics. Also called phosphatidylcholine.
Origin of lecithinFrench lécithine : Greek lekithos, egg yolk + French -ine, -in.
Coined in 1847 by Theodore Gobley, from Ancient Greek Î»ÎÎºÎ¹Î¸Î¿Ï‚ (lÃ©kithos, “egg yolk")