a process in which something passes by degrees to a different stage (especially a more advanced or mature stage); "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer"ある物が異なる段階(特により発達した、または成熟した段階)に次第に移行する過程進歩
例:The evolution of Greek civilization. ギリシア文明の発展。
(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms種の進化の成長または生物の分類群に関係する出来事の連続進化