leyden jar: meaning, definition, pronunciation and examples
Rare / HistoricalAcademic / Historical / Technical
Quick answer
What does “leyden jar” mean?
An early form of electrical capacitor, consisting of a glass jar coated inside and out with metal foil, used to store static electricity.
Audio
Pronunciation
Definition
Meaning and Definition
An early form of electrical capacitor, consisting of a glass jar coated inside and out with metal foil, used to store static electricity.
In modern contexts, the term may be used as a historical reference or metaphor for a device that stores energy or accumulates potential until released suddenly.
Dialectal Variation
British vs American Usage
Differences
No significant difference in usage; both refer to the same historical device. Spelling of 'Leyden' is consistent.
Connotations
Evokes the 18th and 19th centuries, early experimental physics, and foundational discoveries in electricity.
Frequency
Extremely low frequency in both dialects, appearing almost exclusively in historical or pedagogical texts about physics.
Grammar
How to Use “leyden jar” in a Sentence
[Subject] charges/discharges the Leyden jar.The Leyden jar [verb of storing/accumulating] electricity.Vocabulary
Collocations
Examples
Examples of “leyden jar” in a Sentence
verb
British English
- The demonstrator carefully Leyden-jarred the charge before the lecture.
American English
- He Leyden-jarred the static electricity for his experiment.
adjective
British English
- The Leyden-jar apparatus was set up on the oak bench.
American English
- They studied the Leyden-jar principle in their history of science class.
Usage
Meaning in Context
Business
Not used.
Academic
Used in historical accounts of physics and the development of electrical engineering.
Everyday
Not used in everyday conversation.
Technical
Used precisely to refer to the specific historical device; modern engineers would use 'capacitor'.
Vocabulary
Synonyms of “leyden jar”
Strong
Neutral
Weak
Vocabulary
Antonyms of “leyden jar”
Watch out
Common Mistakes When Using “leyden jar”
- Mispronouncing 'Leyden' as /ˈleɪdən/ instead of /ˈlaɪdən/.
- Referring to a modern capacitor as a 'Leyden jar'.
- Misspelling as 'Leydon jar' or 'Leiden jar' in an English physics context.
FAQ
Frequently Asked Questions
No, the term is purely historical. Modern engineers use the term 'capacitor'. The Leyden jar is discussed in the context of the history of technology and science.
It is named after the city of Leiden (Leyden in an older English spelling) in the Netherlands, where it was first invented and extensively studied in the mid-18th century.
It was superseded by more advanced and compact capacitors, which use a dielectric material (like ceramic or plastic film) between conductive plates instead of glass and foil.
Yes, they are common exhibits in museums of science and history, such as the Science Museum in London or the Smithsonian in Washington, D.C.
An early form of electrical capacitor, consisting of a glass jar coated inside and out with metal foil, used to store static electricity.
Leyden jar is usually academic / historical / technical in register.
Leyden jar: in British English it is pronounced /ˈlaɪd(ə)n ˌdʒɑː/, and in American English it is pronounced /ˈlaɪd(ə)n ˌdʒɑːr/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Like a Leyden jar waiting to discharge”
- “A Leyden jar of emotions/potential”
Learning
Memory Aids
Mnemonic
Think of 'Leyden' rhyming with 'lightnin'' – it's an old jar for storing electric 'lightning' (static charge).
Conceptual Metaphor
A REPOSITORY / STORAGE VESSEL for potential energy or tension (emotional, political, etc.).
Practice
Quiz
What is a Leyden jar?