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Webster 1913 Edition


Convex

Con′vex

,
Adj.
[L.
convexus
vaulted, arched, convex, concave, fr.
convehere
to bring together: cf. F.
convexe
. See
Vehicle
.]
Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; – said of a spherical surface or curved line when viewed from without, in opposition to concave.
Drops of water naturally form themselves into figures with a
convex
surface.
Whewell.
Double convex
,
convex on both sides; convexo-convex.

Con′vex

,
Noun.
A convex body or surface.
Half heaven’s
convex
glitters with the flame.
Tickell.
☞ This word was often pronounced con-vex' by early writers, as by Milton, and occasionally by later poets.

Webster 1828 Edition


Convex

CONVEX

,
Adj.
[L.] Rising or swelling on the exterior surface into a spherical or round form; gibbous; opposed to concave, which expresses a round form of the interior surface; as a convex mirror or lens.

CONVEX

,
Noun.
A convex body; as heavens convex.