bell jar


: a bell-shaped usually glass vessel designed to cover objects or to contain gases or a vacuum

Illustration of bell jar

Illustration of bell jar

Example Sentences

Recent Examples on the Web In another, new lab, superfluid helium simmered inside a silvered bell jar. Quanta Magazine, 12 Dec. 2022 To easily fill, hold the cloche or bell jar upside down and fill with pumpkins. Charlyne Mattox, Country Living, 14 Sep. 2022 But Beijing’s vow to keep the city in a political bell jar for 50 years has been shattered. New York Times, 30 June 2022 Again: What works within the humid environment under a bell jar or inside a narrow-mouthed lab flask is quite different from what flourishes in an open bowl or an uncovered fish tank. New York Times, 26 Nov. 2021 The problem is the dramatic vacuum, or suffocating bell jar, in which her performance plays out. Joe Morgenstern, WSJ, 4 Nov. 2021 Kristen made everything better, her confidence like a bell jar of security in a strange and gnarled world. Rachel Epstein, Marie Claire, 26 July 2021 Bird and Feather Templates A bell jar gives a no-carve pumpkin, with bird and feather designs, the star treatment. Country Living Staff, Country Living, 23 June 2020 Eileen Roscina Richardson applies the ancient art of natural tree shaping to fungi, using light exposure to make her plants grow in zig-zag patterns, and then places them under bell jars for public inspection. Ray Mark Rinaldi, The Know, 19 Nov. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bell jar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of bell jar was in 1806

Dictionary Entries Near bell jar

Cite this Entry

“Bell jar.” Dictionary, Merriam-Webster, Accessed 7 Feb. 2023.

Kids Definition

bell jar

: a bell-shaped usually glass container, designed to cover objects, hold gases, or keep a vacuum

Medical Definition

bell jar

: a bell-shaped usually glass vessel designed to cover objects or to contain gases or a vacuum
Last Updated: - Updated example sentences
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