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Webster 1913 Edition

Concavity

Con-cav′i-ty

,

Noun.

;

pl.

Concavities

(#)

.

[L.

concavitas

: cf. F.

concavité

. See

.]

A concave surface, or the space bounded by it; the state of being concave.

Webster 1828 Edition

Concavity

CONCAVITY

,

Noun.

Hollowness; the internal surface of a hollow spherical body, or a body of other figure; or the space within such body.