calcined lime vs burnt lime

calcined lime and burnt lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
calcined lime	Yes	No	No	No
burnt lime	Yes	No	No	No

As nouns, calcined lime and burnt lime are synonyms defined as:

calcined lime and burnt lime: a white crystalline oxide used in the production of calcium hydroxide

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

calcined lime (noun)	burnt lime (noun)
a white crystalline oxide used in the production of calcium hydroxide	a white crystalline oxide used in the production of calcium hydroxide