noun, plural con·vex·i·ties for 2.
Examples from the Web for convexity
This convexity is narrowed at both ends, or, in other words, is fusiform in shape.The Beaked Whales of the Family Ziphidae|Frederick True
An arch built on its side, with its convexity upstream, and its ends braced against rocky banks, serves admirably as a dam.Inventors at Work|George Iles
In the infant, the spine is either straight or presents one long antero-posterior curve with its convexity backwards.
When the membrane between the nervures that form an areolet is bigger than the areolet, which gives it convexity.An Introduction to Entomology: Vol. IV (of 4)|William Kirby
Those recently made have the convexity of the hoof turned towards the river.The Death Shot|Mayne Reid