noun🔗ShareThe principal phospholipid in animals; it is particularly abundant in egg yolks, and is extracted commercially from soy. It is a major constituent of cell membranes, and is commonly used as a food additive (as an emulsifier)."Many chocolate bars contain lecithin to help blend the ingredients smoothly. "biochemistryfoodsubstancecompoundphysiologybiologychemistrymedicineChat with AIVocabulary GamePractice Reading