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open dating

American  

noun

  1. the practice of putting a freshness date on food packages.


Etymology

Origin of open dating

First recorded in 1970–75

Example Sentences

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At that time, it was apparently deemed a success because "open dating had slashed ... half the number of consumer complaints of purchasing stale or spoiled food."

From Salon ● Oct. 19, 2022

The entire notion of use-by dates came to be in the 1970s, called "open dating," which was reported about in The New York Times in February 1973.

From Salon ● Oct. 19, 2022

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