LEARNit Dictionary
expiration
noun
/ˌekspəˈreɪʃn/
UK
/ˌekspəˈreɪʃn/
US
1
an ending of the period of time when an official document can be used, or when an agreement is legally acceptable
انقضاء, پایان دوره اعتبار, اتمام مدت اعتبار