Ley·den jar /ˈlaɪdṇ-/



 Ley·den jar /ˈlaɪdṇ-/ 名詞



 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.


 Ley·den jar Ley·den phi·al n. Elec. A glass jar or bottle used to accumulate electricity.  It is coated with tin foil, within and without, nearly to its top, and is surmounted by a brass knob which communicates with the inner coating, for the purpose of charging it with electricity. It is so named from having been invented in Leyden, Holland.

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 Leyden jar
      n : an electrostatic capacitor of historical interest [syn: {Leiden
          jar]