semiconductor vs semiconductor unit

semiconductor and semiconductor unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
semiconductor	Yes	No	No	No
semiconductor unit	Yes	No	No	No

As nouns, semiconductor and semiconductor unit are synonyms defined as:

semiconductor and semiconductor unit: a conductor made with semiconducting material

Other synonyms of semiconductor include semiconductor device.

semiconductor (noun)	semiconductor unit (noun)
a conductor made with semiconducting material	a conductor made with semiconducting material
a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities