BELL JAR


Meaning of BELL JAR in English

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's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.