Definition of lecithin in US English: lecithin
noun Biochemistry A substance widely distributed in animal tissues, egg yolk, and some higher plants, consisting of phospholipids linked to choline.
Example sentences
‘The lecithin derived from soy is used solely as a component of a release agent as described in this guidance.’ ‘Since lecithin acts as an emulsifier, it will make whatever you mix it with smoother and creamier.’ ‘Soy and egg are common allergens, so for some people dietary supplements containing lecithin may not be safe.’ ‘Mom may need to continue taking 1-2 capsules per day if stopping the lecithin leads to additional plugged ducts.’ ‘The line of lecithin offered is suitable for both food and cosmetic purposes.’ Origin Mid 19th century: from Greek lekithos ‘egg yolk’ + -in.
Pronunciation lecithin /ˈlesəTHən/ /ˈlɛsəθən/