leiden jar
Definition
Noun: - An early form of electrical capacitor: A Leiden jar (also spelled Leyden jar) is a historical device used to store static electricity. It consists of a glass jar coated inside and out with metal foil, with a metal rod passing through an insulating lid to make contact with the inner coating.
Usage
The term is used to refer specifically to this antique scientific instrument. - The scientist used a Leiden jar to demonstrate the principles of static electricity. - The invention of the Leiden jar was a pivotal moment in the early study of electrostatics.
Advanced Usage
- Historical Context: The device is named after the city of Leiden (or Leyden) in the Netherlands, where it was invented in the 18th century. It is often discussed in the context of the history of science and early electrical experiments conducted by figures like Pieter van Musschenbroek and Benjamin Franklin.
Variants and Related Words
- Leyden jar: An alternative, equally common spelling for the same device.
- Electrical capacitor: The modern general term for a device that stores electrical energy. The Leiden jar is a primitive, historical type of capacitor.
Synonyms
- Static electricity jar: A descriptive synonym emphasizing its function.
- Early capacitor: A term placing it in the historical lineage of electrical components.
Related Phrases
- To charge the Leiden jar: The process of building up a store of static electricity on the device.
- Discharge of a Leiden jar: The release of the stored electrical charge, often as a visible spark.
Noun
-
an electrostatic capacitor of historical interest
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