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4 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 bell jar /ˈbɛlˌʤɑr/ 名詞
 鐘罩,玻璃鐘罩

From: Webster's Revised Unabridged Dictionary (1913)

 Jar n.
 1.  A deep, broad-mouthed vessel of earthenware or glass, for holding fruit, preserves, etc., or for ornamental purposes; as, a jar of honey; a rose jar.
 2.  The measure of what is contained in a jar; as, a jar of oil; a jar of preserves.
 Bell jar, Leyden jar. See in the Vocabulary.

From: Webster's Revised Unabridged Dictionary (1913)

 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.
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From: WordNet (r) 2.0

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