sodium thiosulfate vs hypo

sodium thiosulfate and hypo both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodium thiosulfate	Yes	No	No	No
hypo	Yes	No	No	No

As nouns, sodium thiosulfate and hypo are synonyms defined as:

sodium thiosulfate and hypo: a compound used as a fixing agent in photographic developing

Other synonyms of sodium thiosulfate include sodium thiosulphate.

sodium thiosulfate (noun)	hypo (noun)
a compound used as a fixing agent in photographic developing	a piston syringe that is fitted with a hypodermic needle for giving injections
	a compound used as a fixing agent in photographic developing