Leiden jar vs condenser

Leiden jar and condenser both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leiden jar	Yes	No	No	No
condenser	Yes	No	No	No

As nouns, condenser is a hypernym of Leiden jar; that is, condenser is a word with a broader meaning than Leiden jar:

Leiden jar: an electrostatic capacitor of historical interest
condenser: an electrical device characterized by its capacity to store an electric charge

Other hypernyms of Leiden jar include capacitance, capacitor, electrical condenser.

Leiden jar (noun)	condenser (noun)
an electrostatic capacitor of historical interest	lens used to concentrate light on an object
	an electrical device characterized by its capacity to store an electric charge
	a hollow coil that condenses by abstracting heat
	an apparatus that converts vapor into liquid