Noun | 1. | evolution - 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" Synonyms: development Antonyms: degeneration, devolution - the process of declining from a higher to a lower level of effective power or vitality or essential quality |
2. | evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms Synonyms: phylogenesis, phylogeny |