calx vs unslaked lime

calx and unslaked lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
calx	Yes	No	No	No
unslaked lime	Yes	No	No	No

As nouns, calx and unslaked lime are synonyms defined as:

calx and unslaked lime: a white crystalline oxide used in the production of calcium hydroxide

Other synonyms of calx include burnt lime, calcined lime, calcium oxide, fluxing lime, lime, quicklime.

calx (noun)	unslaked lime (noun)
a white crystalline oxide used in the production of calcium hydroxide	a white crystalline oxide used in the production of calcium hydroxide