background vs background noise

background noise vs background

background and background noise both are nouns.

background is a verb but background noise is not a verb.

Word	Noun	Adjective	Verb	Adverb
background	Yes	No	Yes	No
background noise	Yes	No	No	No

As nouns, background noise is a hyponym of background; that is, background noise is a word with a more specific, narrower meaning than background:

background: extraneous signals that can be confused with the phenomenon to be observed or measured
background noise: extraneous noise contaminating sound measurements that cannot be separated from the desired signal

Other hyponyms of background include ground noise, background radiation.

background (noun)	background noise (noun)
scenery hung at back of stage	extraneous noise contaminating sound measurements that cannot be separated from the desired signal
(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
a person's social heritage: previous experience or training
the part of a scene (or picture) that lies behind objects in the foreground
information that is essential to understanding a situation or problem
extraneous signals that can be confused with the phenomenon to be observed or measured
relatively unimportant or inconspicuous accompanying situation
the state of the environment in which a situation exists

background (verb)	background noise (verb)
understate the importance or quality of

Difference between background and background noise

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