bell jar

  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.

Origin of bell jar

First recorded in 1875–80
  • Also called bell glass.

Words Nearby bell jar Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use bell jar in a sentence

  • However, as she feared, The bell jar appeared to indifferent notices and the launch—which Ted attended—was rather low-key.

  • He was too busy watching something inside the bell jar even to notice that they existed.

    Thompson's Cat | Robert Moore Williams
  • Sounds continue to come from an alarm clock even though it is placed under a bell jar.

    Physics | Willis Eugene Tower
  • A three-way tap is let horizontally into the vertical tube just above its junction with the bell jar.

  • In the very middle of the bell-jar of visibility granted them all at once, stood a black rectangular object.

    Equation of Doom | Gerald Vance
  • A glass tube brings it into communication with a bell jar full of water on the shelf of the pneumatic trough.

    The Life of the Fly | J. Henri Fabre

British Dictionary definitions for bell jar

bell jar

  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