English - United States Change
Definitions of gradational
slowly and smoothly Scrapingweb Dictionary DB
By regular steps or gradations; of or pertaining to gradation. Webster Dictionary DB
By gradations. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
According to gradation. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.