expiration date noun
plural ∼ dates [count] 1 : the date when something (such as a credit card or driver's license) can no longer legally or officially be used
▪ What is the expiration date on your credit card? [=when does your credit card expire?] —called also (Brit) 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
▪ Check the expiration date on the bottle to make sure the medicine is still good. —called also (Brit) expiry date
▪ What is the expiration date on your credit card? [=when does your credit card expire?] —called also (Brit) expiry date
▪ Check the expiration date on the bottle to make sure the medicine is still good. —called also (Brit) expiry date
