Albumen
This word means the white of an egg. It is found as an organic compound in both animal and vegetable substances. Albumen forms the starting-point of all animal tissue, and may be considered the raw material of fibrin, the substance which forms the basis or fibre of muscular tissue. Its composition is: carbon 52.8, oxygen 23.8, hydrogen 7.5, nitrogen 15.7. The most important property of albumen is that of its coagulating or forming a white solid substance by the application of a gentle heat. Hence its use for many purposes in the arts and manufactures. See AGGLUTINATION.