Main Entry: evo·lu·tion

Pronunciation: \ˌe-və-ˈlü-shən, ˌē-və-\

Function: noun

Etymology: Latin evolution-, evolutio unrolling, from evolvere

Date: 1622

1 : one of a set of prescribed movements
2 a : a process of change in a certain direction : unfolding b : the action or an instance of forming and giving something off : emission c (1) : a process of continuous change from a lower, simpler, or worse to a higher, more complex, or better state : growth (2) : a process of gradual and relatively peaceful social, political, and economic advance d : something evolved
3 : the process of working out or developing
4 a : the historical development of a biological group (as a race or species) : phylogeny b : a theory that the various types of animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations; also : the process described by this theory
5 : the extraction of a mathematical root
6 : a process in which the whole universe is a progression of interrelated phenomena

— evo·lu·tion·ari·ly \-shə-ˌner-ə-lē\ adverb

— evo·lu·tion·ary \-shə-ˌner-ē\ adjective

— evo·lu·tion·ism \-shə-ˌni-zəm\ noun

— evo·lu·tion·ist \-sh(ə-)nist\ noun or adjective