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mason jar

noun, often capitalized M

Simple Definition of mason jar

  • : a glass jar that has a wide opening and that is usually used in preserving fruits or vegetables

Source: Merriam-Webster's Learner's Dictionary

Full Definition of mason jar

  1. :  a widemouthed jar used especially for home canning

Origin and Etymology of mason jar

John L. Mason, †1902 American metalsmith

First Known Use: 1888

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different from the usual or normal

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