n 1 : a process of change in a certain direction <there has been much discussion as to … the possible of benign adenomas into invasive carcinoma -Jour. Amer. Med. Assoc.> 2 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 evo*lu*tion*ari*ly adv evo*lu*tion*ary adj
Similar sounding terms: evul·sion
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