quicklime vs fluxing lime

quicklime and fluxing lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
quicklime	Yes	No	No	No
fluxing lime	Yes	No	No	No

As nouns, quicklime and fluxing lime are synonyms defined as:

quicklime and fluxing lime: a white crystalline oxide used in the production of calcium hydroxide

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

quicklime (noun)	fluxing lime (noun)
a white crystalline oxide used in the production of calcium hydroxide	a white crystalline oxide used in the production of calcium hydroxide