| 释义 |
bell jar
bell jarn. A cylindrical glass vessel with a rounded top and an open base, used to protect and display fragile objects or to establish a vacuum or a controlled atmosphere in scientific experiments.bell jar n a bell-shaped glass cover used to protect flower arrangements or fragile ornaments or to cover apparatus in experiments, esp to prevent gases escaping bell′ jar`
n. a bell-shaped glass cover designed esp. for protecting objects or for containing gases or a vacuum in chemical experiments. Thesaurus| Noun | 1. |  bell jar - a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gasesbell glassprotective cover, protective covering, protection - a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors" |
Translationsbell jar
bell jar[′bel ‚jär] (engineering) A bell-shaped vessel, usually made of glass, which is used for enclosing a vacuum, holding gases, or covering objects. Also known as bell glass. bell jar
bell jarA glass vessel with an opening at only one end. See also: jarbell jar
Synonyms for bell jarnoun a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gasesSynonymsRelated Words- protective cover
- protective covering
- protection
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