aluminum hydroxide vs hydroxide

aluminum hydroxide and hydroxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
aluminum hydroxide	Yes	No	No	No
hydroxide	Yes	No	No	No

As nouns, hydroxide is a hypernym of aluminum hydroxide; that is, hydroxide is a word with a broader meaning than aluminum hydroxide:

aluminum hydroxide: white crystalline compound that occurs naturally as the mineral gibbsite
hydroxide: a compound of an oxide with water

Other hypernyms of aluminum hydroxide include hydrated oxide.

aluminum hydroxide (noun)	hydroxide (noun)
white crystalline compound that occurs naturally as the mineral gibbsite	a compound of an oxide with water
	a chemical compound containing the hydroxyl group