bell jar

bell jar

noun
a bell-shaped glass jar or cover for protecting delicate instruments, bric-a-brac, or the like, or for containing gases or a vacuum in chemical experiments.
Also called bell glass.


Origin:
1875–80

Dictionary.com Unabridged

Bell Jar, The

noun
a novel (1963) by Sylvia Plath.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bell jar
 
n
a bell-shaped glass cover used to protect flower arrangements or fragile ornaments or to cover apparatus in experiments, esp to prevent gases escaping

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