American English

Definition of expiration date noun from the Oxford Advanced American Dictionary


    expiration date

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  1. 1the date after which an official document, agreement, etc. is no longer valid, or after which something cannot legally be used Check the expiration date on your passport.
  2. 2the date by which an item of food should be eaten The expiration date on this yogurt was November 20.
See the Oxford Advanced Learner's Dictionary entry: expiration date