'adaptation' definitions:

Definition of 'adaptation'

(from WordNet)
noun
A written work (as a novel) that has been recast in a new form; "the play is an adaptation of a short novel" [syn: adaptation, version]
noun
The process of adapting to something (such as environmental conditions) [syn: adaptation, adaption, adjustment]
noun
(physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)

Synonyms of 'adaptation'

From: Moby Thesaurus