adaptation
US /ˌæd.əpˈteɪ.ʃən/
UK /ˌæd.əpˈteɪ.ʃən/

1.
the process of changing to suit different conditions
:
•
The adaptation of the species to the new environment was slow.
•
Successful adaptation is key to survival.
2.
a movie, television drama, or stage play that has been changed from a written work (such as a novel)
:
•
The film is an adaptation of a popular novel.
•
They are working on a stage adaptation of the classic play.