单词	Leyden jar
释义	Leyden jar noun Ley·​den jar ˈlī-dᵊn-  : an electrical capacitor consisting of a glass jar coated inside and outside with metal foil and having the inner coating connected to a conducting rod passed through an insulating stopper Illustration of Leyden jar Word History Etymology Leiden, Leyden, Netherlands First Known Use 1825, in the meaning defined above Medical Definition Leyden jar noun Ley·​den jar ˈlīd-ᵊn-  : the earliest form of electrical capacitor consisting essentially of a glass jar coated part way up both inside and outside with metal foil and having the inner coating connected to a conducting rod passed through the insulating stopper
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