cathode-ray oscilloscope vs oscilloscope

cathode-ray oscilloscope and oscilloscope both are nouns.

Word	Noun	Adjective	Verb	Adverb
cathode-ray oscilloscope	Yes	No	No	No
oscilloscope	Yes	No	No	No

As nouns, cathode-ray oscilloscope and oscilloscope are synonyms defined as:

cathode-ray oscilloscope and oscilloscope: electronic equipment that provides visual images of varying electrical quantities

Other synonyms of cathode-ray oscilloscope include CRO, scope.

cathode-ray oscilloscope (noun)	oscilloscope (noun)
electronic equipment that provides visual images of varying electrical quantities	electronic equipment that provides visual images of varying electrical quantities