bits per inch vs denseness

bits per inch and denseness both are nouns.

Word	Noun	Adjective	Verb	Adverb
bits per inch	Yes	No	No	No
denseness	Yes	No	No	No

As nouns, denseness is a hypernym of bits per inch; that is, denseness is a word with a broader meaning than bits per inch:

bits per inch: a measure of how densely information is packed on a storage medium
denseness: the amount per unit size

Other hypernyms of bits per inch include density.

bits per inch (noun)	denseness (noun)
a measure of how densely information is packed on a storage medium	the amount per unit size
	the spatial property of being crowded together
	the quality of being mentally slow and limited