convexity
n. புறங்குவிவு, புற உருட்சி, கவிந்த பகுதி, கவிந்த உருவம்.
Con*vex"i*ty, n.; pl. Convexities. Etym: [L. convexitas: cf. F. convexité.] Defn: The state of being convex; the exterior surface of a convex body; roundness. A smooth, uniform convexity and rotundity of a globe. Bentley.