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 The date on which something, such as a warranty or license, is no longer valid or in effect.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 ?
The ayurvedic medicines have been divided into different categories with expiry dates ranging from one to 10 years.
For siddha medicines, expiry dates range from one to five years while for drugs belonging to the Unani system of medicine, expiry dates range from one to five years.
THE commonly available ayurvedic products such as chavanprash will now have to carry expiry date on their label.