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• Mason jar
  Mason jar

  noun

  a glass jar with a wide mouth and an airtight screw top, much used in home canning.
• mason jar
  mason jar

  noun

  an airtight glass jar for preserving food

Mason jar

American  

noun

1. a glass jar with a wide mouth and an airtight screw top, much used in home canning.

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mason jar British  

noun

1. an airtight glass jar for preserving food

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Etymology

Origin of Mason jar

1880–85, named after John L. Mason, 19th-century American who patented it in 1858

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Example Sentences

See Examples For:

Mason jar mason jar

Here, she discusses her self-talk in the mirror, the significance of her Mason jar and the giant middle finger on her closet floor.

From The Wall Street Journal ● Feb. 16, 2026

Place the fine-cut chard stems in a Mason jar or other heatproof narrow container.

From Seattle Times ● Feb. 9, 2024

You can also drink your water out of a glass, a paper cup, a Mason jar; then you can get the stuff to fill it with out of your tap for free.

From Salon ● Jan. 20, 2024

And she shows up with this Mason jar.

From Los Angeles Times ● May 12, 2023

They give him lemonade in a Mason jar.

From "The Bluest Eye" by Toni Morrison

Early in the grand opening event, people began to huddle near a table decorated with wildflowers in a mason jar and a yellow legal pad.

From Los Angeles Times ● Jun. 21, 2023

The sauce can be made and refrigerated in a glass mason jar up to one week in advance.

From Washington Times ● May 28, 2023

So we're going to make a bouquet of them: Grab a mason jar or tall glass and submerge the scallions' roots in an inch or two of water.

From Salon ● Feb. 11, 2023

Combine the two in a large mason jar or another large, sealable vessel and stir vigorously to ensure that the grounds are moistened.

From Salon ● Jan. 24, 2022

Once I saw him trying to make an ant colony, filling a mason jar with dirt.

From "Ninth Ward" by Jewell Parker Rhodes

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