Al-bū'men, n.

n. [Lat. albumen, from albus, white.]

1. (Bot.) Nourishing matter stored up between the embryo and integuments of the seed in many plants. It is the floury part in corn, wheat, and like grains; the oily part in poppy seeds; the fleshy part in the cocoa-nut, &c. Gray.
2. (Physiol.) A thick, viscous substance, which forms a constituent part of both animal fluids and solids, and which exists nearly pure in the white of an egg. Carpenter.