expiration date noun
plural expiration dates
plural expiration dates
Learner's definition of EXPIRATION DATE
[count]
1
: the date when something (such as a credit card or driver's license) can no longer legally or officially be used(信用卡、驾驶执照等的)到期日,截止日期 — called also (British) expiry date
2
: the date when something (such as milk or medicine) can no longer be sold because it may no longer be good or effective(牛奶、药物等的)有效期 — called also (British) expiry date