[L. albēdo whiteness; f. alb-um white.] Whiteness; spec. in Astr. The proportion of the solar light incident upon an element of the surface of a planet, which is again diffusedly reflected from it.
1859. Monthly Not. R. A. S., XX. 103.
1878. Newcomb, Pop. Astron., 549. When the albedo of a body is said to be 0·6.
1879. Syd. Soc. Lex., s.v., Urinary conditions … were called the crystalline, the snowy, the limy, and the limpid albedo.
