Medical Dictionary
lecithin
noun lec·i·thin \ˈles-ə-thən\
Medical Definition of LECITHIN
: any of several waxy hygroscopic phospholipids in which phosphatidic acid has formed an ester with choline and which are widely distributed in animals and plants, form colloidal solutions in water, and have emulsifying, wetting, and antioxidant properties; also : a mixture of or a substance rich in lecithins—called also phosphatidylcholine
Seen & Heard
What made you want to look up lecithin? Please tell us where you read or heard it (including the quote, if possible).