expiry
noun [ U ] UK uk/ɪkˈspaɪə.ri/ us/ɪkˈspaɪr.i/ (US expiration, us/ˌek.spəˈreɪ.ʃən/ uk)
到期，期满；结束
the situation in which something which lasts for a fixed length of time comes to an end or stops being in use
the expiry of a lease/visa 租约期满／签证到期
What is the expiry date of your credit card? (= What is the last date on which it can be used?) 你的信用卡什么时候到期？