any of a group of water-soluble proteins found in milk, egg, muscle, blood, and in many vegetable tissues and fluids: albumins are coagulated by heat and are hydrolyzed to a number of amino acids
Origin:
album(en) + -in
See albumin in American Heritage Dictionary 4
noun
A class of simple, water-soluble proteins that can be coagulated by heat and are found in egg white, blood serum, milk, and many other animal and plant tissues. Also called albumen.