One of the mysteries of the English language finally explained.
A circular diagram that is a stereographic projection of a sphere showing the positions of the poles of one or more lattice planes of a crystal or crystalline substance, the intensity of a spot in the diagram being proportional to the number of planes having the corresponding orientation.
1930s; earliest use found in Proceedings of the Royal Society of London. After German Polfigur.
In this article we explore how to impress employers with a spot-on CV.