definition of
adaptation

[1] #1 adaptation n. [version] a written work (as a novel) that has been recast in a new form; "the play is an adaptation of a short novel". wn

[2] #2 adaptation n. [adaption, adjustment] the process of adapting to something (such as environmental conditions). wn

[3] #3 adaptation n. (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light). wn