( n. )
The act of progressing by regular steps or orderly arrangement; the state of being graded or arranged in ranks; as, the gradation of castes.
( n. )
The act of progressing by regular steps or orderly arrangement; the state of being graded or arranged in ranks; as, the gradation of castes.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012