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A jar is a rigid, cylindrical or slightly conical container, typically made of glass, ceramic, or plastic, with a wide mouth or opening that can be closed with a lid, screw cap, lug cap, cork stopper, roll-on cap, crimp-on cap, press-on cap, plastic shrink, heat sealed lidding film, an inner seal, a Tamper-evident band, or other suitable means.
Jars can be used to hold solids too large to be removed from, or liquids too viscous to be poured through, a bottle's neck; these may be foods, cosmetics, medications, or chemicals. Glass jars—among which the most popular is the mason jar—can be used for storing and preserving items as diverse as jam, pickled gherkin, other pickles, marmalade, sun-dried tomatoes, olives, jalapeño peppers, chutneys, pickled eggs, honey, and many others.
- Bell jar in a laboratory
- Cookie jar
- Killing jar, used to kill captured insects
- Kilner jar, for food storage
- Leyden jar, a historical capacitor
- Mason jar, for food storage
- Specimen jar, an instrument used in anatomy to preserve specimens
Preserved food in Mason jars
Reusable jam jar with flip-top or bail closure
Jar made of PLA-blend bio-flex, a bioplastic
Brown-glazed jar with design of three fish. Yuan Dynasty.
PP jar of skin cream with pump dispenser
- Child-resistant packaging
- Cookie jar
- Jar opener
- Leyden Jar
- Tamper resistant
- The asterism Water Jar in the constellation Aquarius
- J. A. Abu-Haidar. Hispano-Arabic Literature and the Early Provencal Lyrics. Routledge. p. 228.
- James E Glevin. The Modern Middle East: A History. Oxford University Press. p. 21.
- Ahvenainen; Heiniö, R.-L. (1993). "Factors affecting the suitability of glass jars for heating in microwave ovens. Comparison with plastic jars and paper board tubs". Packaging Technology and Science. 6 (1): 43–52. doi:10.1002/pts.2770060108.
- Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6
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