CRO vs oscilloscope

CRO and oscilloscope both are nouns.

Word	Noun	Adjective	Verb	Adverb
CRO	Yes	No	No	No
oscilloscope	Yes	No	No	No

As nouns, CRO and oscilloscope are synonyms defined as:

CRO and oscilloscope: electronic equipment that provides visual images of varying electrical quantities

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

CRO (noun)	oscilloscope (noun)
electronic equipment that provides visual images of varying electrical quantities	electronic equipment that provides visual images of varying electrical quantities