transistor vs semiconductor

transistor and semiconductor both are nouns.

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

As nouns, semiconductor is a hypernym of transistor; that is, semiconductor is a word with a broader meaning than transistor:

Other hypernyms of transistor include semiconductor device, semiconductor unit.

transistor (noun)	semiconductor (noun)
a semiconductor device capable of amplification	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