mineral dressing vs mineral processing

mineral dressing and mineral processing both are nouns.

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

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

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

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

mineral dressing (noun)	mineral processing (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