/ ˌædæpˈteɪʃn; NAmE / (also less frequent adap·tion / əˈdæpʃn; NAmE /) noun
1.
[ C ] a film / movie, book or play that is based on a particular piece of work but that has been changed for a new situation :
a screen adaptation of Shakespeare's 'Macbeth'
2.
[ U ] the process of changing sth, for example your behaviour, to suit a new situation :
the adaptation of desert species to the hot conditions
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WORD ORIGIN
early 17th cent.: from French , from late Latin adaptatio(n-) , from Latin adaptare , from ad- to + aptare (from aptus fit).