- albumin, albumen - a simple water-soluble protein found in many animal tissues and liquids
--1 is a kind of simple protein
--1 has particulars: ricin, ricin toxin; lactalbumin; serum albumin - egg white, albumen, ovalbumin - the white of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water
--2 is a kind of ingredient, fixings
--2 is a part of egg, eggs