fluxing lime vs quicklime

fluxing lime and quicklime both are nouns.

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

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

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

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

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