corpuscular theory vs corpuscular theory of light

corpuscular theory and corpuscular theory of light both are nouns.

Word	Noun	Adjective	Verb	Adverb
corpuscular theory	Yes	No	No	No
corpuscular theory of light	Yes	No	No	No

As nouns, corpuscular theory and corpuscular theory of light are synonyms defined as:

corpuscular theory and corpuscular theory of light: (physics) the theory that light is transmitted as a stream of particles

corpuscular theory (noun)	corpuscular theory of light (noun)
(physics) the theory that light is transmitted as a stream of particles	(physics) the theory that light is transmitted as a stream of particles