semiconductor unit vs conductor

semiconductor unit and conductor both are nouns.

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

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

semiconductor unit (noun)	conductor (noun)
a conductor made with semiconducting material	a device designed to transmit electricity, heat, etc.
	the person who leads a musical group
	the person who collects fares on a public conveyance
	a substance that readily conducts e.g. electricity and heat