overburned lime vs slaked lime

overburned lime and slaked lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
overburned lime	Yes	No	No	No
slaked lime	Yes	No	No	No

As nouns, slaked lime is a hypernym of overburned lime; that is, slaked lime is a word with a broader meaning than overburned lime:

overburned lime: An over-burned lime (also called oveburned lime, or sometimes dead-burned lime and deadburned lime) is a lime that has been fired above 1,100° C, thus loosing its reactivity, which leads to poor or no bond strength.
slaked lime: a caustic substance produced by heating limestone

Other hypernyms of overburned lime include calcium hydrate, calcium hydroxide, caustic lime, hydrated lime, lime, lime hydrate.

overburned lime (noun)	slaked lime (noun)
An over-burned lime (also called oveburned lime, or sometimes dead-burned lime and deadburned lime) is a lime that has been fired above 1,100° C, thus loosing its reactivity, which leads to poor or no bond strength.	a caustic substance produced by heating limestone