1. (Zoology) either of a pair of sensory appendages that arise from the mouthparts of crustaceans and insects. 2. (Zoology) either of a pair of tactile organs arising from the head or anterior end of certain annelids and molluscs. [C19: from French, from Latin palpus a touching]
Convex, meaning curving out or extending outward (compare concave), may refer to: Convex set in mathematics Convex function in mathematics convex polygon a polygon in which no line segment between two points on the boundary ever goes outside the polygon.
Similarly, if it is easier to make a product using two men and two machines than it is using four machines and no men, it is a convex technology. 2.Mathematics: Characteristic of a set of points in which, for any two points in the set, the points on the curve joining the two points are also in the set.