adaptation

adaptation is on the Academic Word List.

Noun

(countable) An adaptation is a change to fit a different situation or the result of that change, especially when a story goes from book to TV or movie.
The new film adaptation of the classic book Little Women is quite wonderful.

He is also disabled and requires special adaptations to his home.
(uncountable) Adaptation is the process of changing to fit a different situation.
These products undergo a constant process of change and adaptation.