bell jar

noun

Definition of BELL JAR

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

See bell jar defined for kids

1806

BELL JAR Defined for Kids

noun

: a usually glass vessel shaped like a bell and used to cover objects, hold gases, or keep a vacuum

Medical Dictionary

noun \ˈbel-ˌjär\

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

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