Leyden jar

/'laind'dʤɑ:/
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Thân thiện
Definition
  1. Noun:
    • An electrostatic capacitor of historical interest: A "leyden jar" is a device used to store static electricity. It was one of the earliest forms of a capacitor, invented in the 18th century. It typically consists of a glass jar coated inside and out with metal foil, with a metal rod passing through an insulating stopper to make contact with the inner coating.
Usage Examples
  • Noun:
    • The scientist used a leyden jar to store the electric charge generated by the friction machine.
    • In the museum, we saw an original leyden jar from the 1740s.
    • The demonstration showed how a leyden jar could deliver a powerful shock.
Advanced Usage
  • Historical Significance: The term is used almost exclusively in historical or educational contexts to describe early electrical experiments.
    • The discovery of the leyden jar was a pivotal moment in the study of electricity.
Variants and Related Words
  • Leyden phial: An alternative, less common name for the same device.
    • The antique instrument was labeled as a Leyden phial.
Synonyms
  • Early capacitor: A general term describing its function.
  • Static electricity jar: A descriptive synonym focusing on its purpose.
Related Phrases
  • To charge a leyden jar: The act of storing electricity in the device.
    • They used a Van de Graaff generator to charge the leyden jar.
Noun
  1. an electrostatic capacitor of historical interest

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