sodium bichromate vs mordant

sodium bichromate and mordant both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodium bichromate	Yes	No	No	No
mordant	Yes	Yes	No	No

As nouns, mordant is a hypernym of sodium bichromate; that is, mordant is a word with a broader meaning than sodium bichromate:

sodium bichromate: a red-orange salt used as a mordant
mordant: a substance used to treat leather or other materials before dyeing; aids in dyeing process

Other hypernyms of sodium bichromate include salt.

sodium bichromate (noun)	mordant (noun)
a red-orange salt used as a mordant	a substance used to treat leather or other materials before dyeing; aids in dyeing process

sodium bichromate (adjective)	mordant (adjective)
	of a substance, especially a strong acid; capable of destroying or eating away by chemical action
	harshly ironic or sinister