(definition) by Webster 1913 Tue Dec 21 1999 at 22:05:53

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.

 

© Webster 1913.

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