concavity vs indentation

indentation vs concavity

concavity and indentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
concavity	Yes	No	No	No
indentation	Yes	No	No	No

As nouns, indentation is a hyponym of concavity; that is, indentation is a word with a more specific, narrower meaning than concavity:

concavity: a shape that curves or bends inward
indentation: a concave cut into a surface or edge (as in a coastline)

Other hyponyms of concavity include dome, fossa, pit, corner, niche, recess, recession, bowl, trough, pocket, scoop, depression, impression, imprint, cup, indenture.

concavity (noun)	indentation (noun)
the property possessed by a concave shape	the act of cutting into an edge with toothlike notches or angular incisions
a shape that curves or bends inward	the space left between the margin and the start of an indented line
	the formation of small pits in a surface as a consequence of corrosion
	a concave cut into a surface or edge (as in a coastline)

Difference between concavity and indentation

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