major mineral vs macroelement

major mineral and macroelement both are nouns.

Word	Noun	Adjective	Verb	Adverb
major mineral	Yes	No	No	No
macroelement	Yes	No	No	No

As nouns, major mineral and macroelement are synonyms defined as:

major mineral and macroelement: a chemical element required in relatively large quantities for the normal physiologic processes of the body.

major mineral (noun)	macroelement (noun)
a chemical element required in relatively large quantities for the normal physiologic processes of the body.	a chemical element required in relatively large quantities for the normal physiologic processes of the body.