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Mason jar

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noun
  1. 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. 2018

British Dictionary definitions for mason jar

mason jar

noun
  1. US an airtight glass jar for preserving food
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Word Origin

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

Word Origin and History for mason jar

Mason jar

1885, named for John Latin Mason of New York, who patented it in 1858.

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Online Etymology Dictionary, © 2010 Douglas Harper