microgauss vs flux density unit

microgauss and flux density unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
microgauss	Yes	No	No	No
flux density unit	Yes	No	No	No

As nouns, flux density unit is a hypernym of microgauss; that is, flux density unit is a word with a broader meaning than microgauss:

microgauss: a unit of magnetic flux density equal to one millionth of a gauss
flux density unit: a measure of the amount of flux per unit of cross sectional area

microgauss (noun)	flux density unit (noun)
a unit of magnetic flux density equal to one millionth of a gauss	a measure of the amount of flux per unit of cross sectional area