Dictionary

Leyden jar

noun Ley·den jar \ˈlī-dən-\

Definition of LEYDEN JAR

:  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

Origin of LEYDEN JAR

Leiden, Leyden, Netherlands
First Known Use: 1825

Leyden jar

noun Ley·den jar \ˈlīd-ən-\   (Medical Dictionary)

Medical Definition of LEYDEN JAR

:  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

Illustration of LEYDEN JAR

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