expiration date

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expiration date

n.
1. The date past which a product, such as food or medicine, must be sold or removed from availability because it is no longer expected to be fresh or effective. Also called sell-by date.
2. The date on which something, such as a warranty or license, is no longer valid or in effect.

sell-by date

Public health
The date labelled on most foods in developed countries, especially dairy products, which is usually about 2 weeks from the day the milk was pasteurised, and about 1 week before it expires. An estimated 8 million tonnes of food are needlessly thrown away a year in the UK because of too-strict an adherence to sell-by dates, prompting government food bodies to switch to the phrase “best before” as a way of encouraging people to eat food that might otherwise be prematurely thrown away.
 
Vox populi-UK
A popular term applied a tedious person, stale witticism, or other thing which has past his, her or its prime, as in ‘that joke is way past its sell-by date”.

ex·pi·ra·tion date

(eks'pir-ā'shŭn dāt)
The date or time at which a product is no longer potent or of therapeutic value, determined by manufacturer.

ex·pi·ra·tion date

(eks'pir-ā'shŭn dāt)
The date or time at which a product is no longer potent or of therapeutic value, determined by manufacturer.

expiration

1. the act of breathing out, or expelling air from the lungs.
2. termination, or death.

expiration date
the calendar date on the packaging of a pharmaceutical or food that indicates the last date the item should be used.
References in periodicals archive ?
Restaurant gift certificates good for meals cannot have expiration dates.
These can have expiration dates, but the date must be printed on the front of the card in 10-point type.
Use it or lose it' is still good advice, even if your gift card or certificate is protected from expiration dates and fees," said Zettel.
California law doesn't protect consumers from service fees and expiration dates when it comes to gift certificates or cards good at multiple, unaffiliated businesses.
But the gift card recipient may see the value of the gift card reduced or eliminated by expiration dates or dormancy fees.
Bank gift cards can be used at multiple, unaffiliated businesses, so California laws prohibiting expiration dates and service fees, including dormancy fees, do not apply.
If such a card or certificate has an expiration date, that fact has to be printed on the card or certificate.
Holders who properly tender their OrNda notes after the consent expiration date will receive only 104.