cool medium vs cold medium

cool medium and cold medium both are nouns.

Word	Noun	Adjective	Verb	Adverb
cool medium	Yes	No	No	No
cold medium	Yes	No	No	No

As nouns, cool medium and cold medium are synonyms defined as:

cool medium and cold medium: a medium that usually, but not always, provides little involvement together with substantial stimulus; includes speech, television, cartoons

cool medium (noun)	cold medium (noun)
a medium that usually, but not always, provides little involvement together with substantial stimulus; includes speech, television, cartoons	a medium that usually, but not always, provides little involvement together with substantial stimulus; includes speech, television, cartoons