Bell jar


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.
a novel (1963) by Sylvia Plath.
Contemporary Examples

Ted Hughes’s Brother on Losing Sylvia Plath Gerald Hughes December 1, 2014

Historical Examples

Common Science Carleton W. Washburne
Common Science Carleton W. Washburne
Through Space to Mars Roy Rockwood
Common Science Carleton W. Washburne
Common Science Carleton W. Washburne
Common Science Carleton W. Washburne
Common Science Carleton W. Washburne
Common Science Carleton W. Washburne
Common Science Carleton W. Washburne

noun
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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