burnt lime vs calcined lime

burnt lime and calcined lime both are nouns.

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

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

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

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

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