Definitions for: Bell Jar


[n] a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases



Webster (1913) Definition: Bell" jar` (Phys.)
A glass vessel, varying in size, open at the bottom and
closed at the top like a bell, and having a knob or handle at
the top for lifting it. It is used for a great variety of
purposes; as, with the air pump, and for holding gases, also
for keeping the dust from articles exposed to view.

Synonyms: bell glass

See Also: protection, protective cover, protective covering

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