Convex surfaces refer to objects or shapes that are curved outward, like the outside of a ball or the top of a hill. They are smooth and rounded, with no inward curvatures or dips. Full definition
But the RX - Vision's long hood, short deck, and the lovely transition between concave and convex surfaces on the door will be largely retained — that's both brilliant and quite original — and the rising line described by the surface change above the sills will surely stay. (automobilemag.com)
Sharp separation of top of trunk and tail panel also transitions from convex surface above, concave below, with a little inset nacelle to present the Nissan badge. (automobilemag.com)
Sensuous shapes with convex surfaces lend the four - door GT a timeless elegance, while a flowing silhouette with lowered greenhouse points to its sporting credentials. (cheersandgears.com)