oscillogram vs recording

oscillogram and recording both are nouns.

Word	Noun	Adjective	Verb	Adverb
oscillogram	Yes	No	No	No
recording	Yes	No	No	No

As nouns, recording is a hypernym of oscillogram; that is, recording is a word with a broader meaning than oscillogram:

oscillogram: the recording produced by an oscillograph
recording: a signal that encodes something (e.g., picture or sound) that has been recorded

oscillogram (noun)	recording (noun)
the recording produced by an oscillograph	the act of making a record (especially an audio record)
	a signal that encodes something (e.g., picture or sound) that has been recorded
	a storage device on which information (sounds or images) have been recorded