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Mason jar

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noun
a glass jar with a wide mouth and an airtight screw top, much used in home canning.
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Origin of Mason jar

1880–85, Americanism; named after John L. Mason, 19th-century American who patented it in 1858
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for Mason jar

mason jar

noun
US an airtight glass jar for preserving food

Word Origin for mason jar

C20: named after its US inventor, John L. Mason (1832–1902)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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