bell jar

bell jar
noun
a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
• Syn: ↑bell glass

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noun
: a bell-shaped usually glass vessel designed to cover and protect objects, to contain gases, or to enclose a vacuum

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a bell-shaped glass jar or cover for protecting delicate instruments, bric-a-brac, or the like, or for containing gases or a vacuum in chemical experiments. Also called bell glass.
[1875-80]

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bell jar noun
A bell-shaped glass cover, in laboratories placed over apparatus to confine gases, etc, or used to protect ornaments or flower arrangements
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Main Entry: ↑bell

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bell jar UK US noun [countable] [singular bell jar plural bell jars] science
a piece of equipment that is made of glass and shaped like a bell, used to surround other equipment during scientific experiments
Thesaurus: equipment used in scientific researchhyponym

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bell jar,
a bell-shaped container or cover made of glass, used in laboratories to cover objects which require protection from variations of the atmosphere, dust, or moisture, or to hold gases in chemical operations; bell glass.

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n. a bell-shaped glass cover used for covering delicate objects or used in a laboratory, typically for enclosing samples
■ figurative an environment in which someone is protected or cut off from the outside world

let him stay in his bell jar of perfectionist concentration

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ˈbell jar 7 [bell jar bell jars] noun
a tall round glass cover, used by scientists

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Bell jar — Jar Jar (j[aum]r), n. [F. jarre, Sp. jarra, from Ar. jarrah ewer; cf. Pers. jarrah.] 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. Dryden.… …   The Collaborative International Dictionary of English

  • 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… …   The Collaborative International Dictionary of English

  • bell jar — bel .jär n a bell shaped usu. glass vessel designed to cover objects or to contain gases or a vacuum * * * a glass vessel, closed at top, open at bottom, used in laboratory vacuum experiments …   Medical dictionary

  • bell jar — n. a bell shaped container or cover made of glass, used to keep gases, air, moisture, etc. in or out: also bell glass …   English World dictionary

  • bell jar — bell′ jar n. chem. a bell shaped glass cover designed esp. for protecting objects or for containing gases or a vacuum in chemical experiments …   From formal English to slang

  • Bell jar — Infobox Laboratory equipment name = Bell Jar |thumb|200px caption = Bell Jar Apparatus during low pressure test uses = Enclosing objects or containing gases or a vacuum A bell jar is a piece of laboratory glassware similar in shape to a bell. A… …   Wikipedia

  • bell jar — UK / US noun [countable] Word forms bell jar : singular bell jar plural bell jars science a piece of equipment that is made of glass and shaped like a bell, used to surround other equipment during scientific experiments …   English dictionary

  • bell jar — a bell shaped glass jar or cover for protecting delicate instruments, bric a brac, or the like, or for containing gases or a vacuum in chemical experiments. Also called bell glass. [1875 80] * * * …   Universalium

  • bell jar — n. bell shaped glass jar or cover for displaying and protecting delicate objects; bell shaped glass container (closed at top and open at bottom) used in laboratories for keeping gases or vacuum under control during vacuum and chemical experiments …   English contemporary dictionary

  • bell jar — /ˈbɛl dʒa / (say bel jah) noun a bell shaped glass vessel or cover, as for protecting delicate instruments, bric a brac, etc., or for holding gases in chemical operations. Also, bell glass …  

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