[ad.ap.ta.tion] n (1610) 1: the act or process of adapting: the state of being adapted
2: adjustment to environmental conditions: as a: adjustment of a sense organ to the intensity or quality of stimulation b: modification of an organism or its parts that makes it more fit for existence under the conditions of its environment
3: something that is adapted; specif: a composition rewritten into a new form -- ad.ap.ta.tion.al adj -- ad.ap.ta.tion.al.ly adv