broadcast medium vs broadcasting

broadcast medium and broadcasting both are nouns.

Word	Noun	Adjective	Verb	Adverb
broadcast medium	Yes	No	No	No
broadcasting	Yes	No	No	No

As nouns, broadcast medium and broadcasting are synonyms defined as:

broadcast medium and broadcasting: a medium that disseminates via telecommunications

broadcast medium (noun)	broadcasting (noun)
a medium that disseminates via telecommunications	taking part in a radio or tv program
	a medium that disseminates via telecommunications