gamma vs field strength unit

gamma and field strength unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
gamma	Yes	No	No	No
field strength unit	Yes	No	No	No

As nouns, field strength unit is a hypernym of gamma; that is, field strength unit is a word with a broader meaning than gamma:

gamma: a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
field strength unit: an electromagnetic unit of magnetic intensity

gamma (noun)	field strength unit (noun)
the 3rd letter of the Greek alphabet	an electromagnetic unit of magnetic intensity
a unit of magnetic field strength equal to one-hundred-thousandth of an oersted