mineral processing vs mineral dressing

mineral processing and mineral dressing both are nouns.

Word	Noun	Adjective	Verb	Adverb
mineral processing	Yes	No	No	No
mineral dressing	Yes	No	No	No

As nouns, mineral processing and mineral dressing are synonyms defined as:

mineral processing and mineral dressing: crushing and separating ore into valuable substances or waste by any of a variety of techniques

Other synonyms of mineral processing include beneficiation, mineral extraction, ore dressing, ore processing.

mineral processing (noun)	mineral dressing (noun)
crushing and separating ore into valuable substances or waste by any of a variety of techniques	crushing and separating ore into valuable substances or waste by any of a variety of techniques