Of a projection used in maps, elevations, etc.: depicted as if seen from an infinite distance, so that the projecting rays are parallel.

Of projections used in maps, etc.: = orthographic, adj. 1. Now rare.

Delineating or representing a solid body on a plane; applied spec. to a kind of projection used in maps, etc., in which the centre of projection…

= isometric, adj. 2.

Applied to a method of projection or perspective, in which the plane of projection is equally inclined to the three principal axes of the object…

Representing a sphere in a single two-dimensional diagram. Obsolete. rare.

Of, relating to, or of the nature of a monograph; = monographic, adj. 3.