adsorbent material vs adsorbent

adsorbent material and adsorbent both are nouns.

Word	Noun	Adjective	Verb	Adverb
adsorbent material	Yes	No	No	No
adsorbent	Yes	Yes	No	No

As nouns, adsorbent material and adsorbent are synonyms defined as:

adsorbent material and adsorbent: a material having capacity or tendency to adsorb another substance

adsorbent material (noun)	adsorbent (noun)
a material having capacity or tendency to adsorb another substance	a material having capacity or tendency to adsorb another substance

adsorbent material (adjective)	adsorbent (adjective)
	having capacity or tendency to adsorb or cause to accumulate on a surface