bell jarnoun [ C ]uk /ˈbel ˌdʒɑːr/ us /ˈbel ˌdʒɑːr/
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Examples from literature
- Air under a bell jar may be kept dry by means of a basin of sulphuric acid, and gases bubbled through it are freed from water-vapour.
- By keeping some of this covered with a bell jar for a week or two, so as to retain the moisture, at the end of this time a large crop of the fungus will probably have made its appearance.
- The whole electrolysis vessel is then placed under a glass bell jar containing dry air, and kept in a refrigerator until again required for use.