over-burned lime vs lime

over-burned lime and lime both are nouns.

Word	Noun	Adjective	Verb	Adverb
over-burned lime	Yes	No	No	No
lime	Yes	No	Yes	No

As nouns, lime is a hypernym of over-burned lime; that is, lime is a word with a broader meaning than over-burned lime:

over-burned 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.
lime: a caustic substance produced by heating limestone

Other hypernyms of over-burned lime include calcium hydrate, calcium hydroxide, caustic lime, hydrated lime, lime hydrate, slaked lime.

over-burned lime (noun)	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.	the green acidic fruit of any of various lime trees
	any of various related trees bearing limes
	any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber
	a caustic substance produced by heating limestone
	a white crystalline oxide used in the production of calcium hydroxide
	a sticky adhesive that is smeared on small branches to capture small birds

over-burned lime (verb)	lime (verb)
	cover with lime so as to induce growth
	spread birdlime on branches to catch birds