blackbody vs black body

blackbody and black body both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackbody	Yes	No	No	No
black body	Yes	No	No	No

As nouns, blackbody and black body are synonyms defined as:

blackbody and black body: a hypothetical object capable of absorbing all the electromagnetic radiation falling on it

Other synonyms of blackbody include full radiator.

blackbody (noun)	black body (noun)
a hypothetical object capable of absorbing all the electromagnetic radiation falling on it	a hypothetical object capable of absorbing all the electromagnetic radiation falling on it