Van de Graaff generator vs electrostatic generator

Van de Graaff generator and electrostatic generator both are nouns.

Word	Noun	Adjective	Verb	Adverb
Van de Graaff generator	Yes	No	No	No
electrostatic generator	Yes	No	No	No

As nouns, Van de Graaff generator and electrostatic generator are synonyms defined as:

Van de Graaff generator and electrostatic generator: electrical device that produces a high voltage by building up a charge of static electricity

Other synonyms of Van de Graaff generator include electrostatic machine, Wimshurst machine.

Van de Graaff generator (noun)	electrostatic generator (noun)
electrical device that produces a high voltage by building up a charge of static electricity	electrical device that produces a high voltage by building up a charge of static electricity