Dictionary

bell jar

bell jar

noun

Definition of BELL JAR

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

Illustration of BELL JAR

First Known Use of BELL JAR

1806

bell jar

noun \ˈbel-ˌjär\   (Medical Dictionary)

Medical Definition of BELL JAR

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

Illustration of BELL JAR

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