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The Collaborative International Dictionary of English v.0.48 (gcide)

Convex \Con"vex\, a. [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.
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Drops of water naturally form themselves into figures
with a convex surface. --Whewell.
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{Double convex}, convex on both sides; convexo-convex.
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Convex \Con"vex\, n.
A convex body or surface.
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Half heaven's convex glitters with the flame.
--Tickell.
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Note: This word was often pronounced con-vex' by early
writers, as by Milton, and occasionally by later poets.
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