IPA: /ˌædæpˈteɪʃən/
KK: /ædæpˈteɪʃən/
A change made to fit new conditions or uses, often to improve or adjust something.
The adaptation of the species to its environment is crucial for survival.
Adaption is formed from "adapt" (from Latin "adaptare", meaning to fit or adjust) and the suffix "-ion" (meaning the action or process of). The word "adaption" refers to the process of fitting or adjusting to new conditions or environments.
Think of the action of 'fitting' or 'adjusting' to remember that 'adaption' means the process of making changes to suit new circumstances.