hydrated lime vs calcium hydroxide

hydrated lime and calcium hydroxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydrated lime	Yes	No	No	No
calcium hydroxide	Yes	No	No	No

As nouns, hydrated lime and calcium hydroxide are synonyms defined as:

hydrated lime and calcium hydroxide: a caustic substance produced by heating limestone

Other synonyms of hydrated lime include calcium hydrate, caustic lime, lime, lime hydrate, slaked lime.

hydrated lime (noun)	calcium hydroxide (noun)
a caustic substance produced by heating limestone	a caustic substance produced by heating limestone