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bell jar

noun
1.
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 of bell jar
1875-1880
1875-80

Bell Jar, The

noun
1.
a novel (1963) by Sylvia Plath.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for bell jar
Contemporary Examples
Historical Examples
  • Put the bell jar on the plate of the air pump and begin to pump the air out of it.

    Common Science Carleton W. Washburne
  • Why could it do this when the air was pumped out of the bell jar and not before?

    Common Science Carleton W. Washburne
  • There was a tinkling sound, as fragments of the broken test tube, the bell–jar and other things began falling about the room.

    Through Space to Mars Roy Rockwood
  • Push a rubber suction cap firmly against the inside of the bell jar of an air pump.

    Common Science Carleton W. Washburne
  • Put the bell jar over the bottle and glass, and pump the air out of the jar.

    Common Science Carleton W. Washburne
  • Set the bottle on the plate of the air pump, put the bell jar over it, and pump the air out of the jar.

    Common Science Carleton W. Washburne
  • Lay the balloon on top of this saucer, put the bell jar over it, and pump the air out of the jar.

    Common Science Carleton W. Washburne
  • Cover the flask and the saucer of calcium chlorid with the bell jar immediately, and pump the air out of the jar.

    Common Science Carleton W. Washburne
  • If it comes off, press it on again; place the bell jar on the plate of the air pump, and pump the air out of the jar.

    Common Science Carleton W. Washburne
British Dictionary definitions for bell jar

bell jar

noun
1.
a bell-shaped glass cover used to protect flower arrangements or fragile ornaments or to cover apparatus in experiments, esp to prevent gases escaping
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
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Word Value for bell

6
9
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