'Lecithin' definitions:
Definition of 'lecithin'
From: WordNet
noun
A yellow phospholipid essential for the metabolism of fats; found in egg yolk and in many plant and animal cells; used commercially as an emulsifier
Definition of 'Lecithin'
From: GCIDE
- Lecithin \Lec"i*thin\, n. [Gr. le`kiqos the yolk of an egg.] (Physiol. Chem.) A complex, nitrogenous phosphorized substance widely distributed through the animal body, and especially conspicuous in the brain and nerve tissue, in yolk of eggs, and in the white blood corpuscles. [1913 Webster]