magnification vs blowup

magnification and blowup both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnification	Yes	No	No	No
blowup	Yes	No	No	No

As nouns, magnification and blowup are synonyms defined as:

Other synonyms of magnification include enlargement.

magnification (noun)	blowup (noun)
the act of expanding something in apparent size	a photographic print that has been enlarged
a photographic print that has been enlarged	an unrestrained expression of emotion
making to seem more important than it really is	a violent release of energy caused by a chemical or nuclear reaction
the ratio of the size of an image to the size of the object