( n. )
Whiteness. Specifically: (Astron.) The ratio which the light reflected from an unpolished surface bears to the total light falling upon that surface.
( n. )
Whiteness. Specifically: (Astron.) The ratio which the light reflected from an unpolished surface bears to the total light falling upon that surface.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012