A kind of three-dimensional projection used to represent the cyclic structure of monosaccharides.

A two-dimensional representation of a three-dimensional organic molecule by projection, used mainly in organic chemistry and biochemistry.

A kind of pseudoconical equal-area map projection.

A kind of equal-area map projection, intended as an alternative to the Bonne projection that would reduce the extent of extreme distortion at the edges and give a more satisfying overall shape.

A pseudoconic cordiform equal-area map projection that is a limiting form of the Bonne projection, having its standard parallel at one of the poles (90°N/S).

plural of project manager

(cartography) A map projection that is conformal and retroazimuthal.

plural of projective plane

plural of pilot project

(intransitive) To undergo astral projection.