- the theory of making projections of any accurately defined figure such that its projective as well as its metrical properties can be deduced from them.
- geometry in general, treated by means of projections.
Origin of descriptive geometry
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the study of the projection of three-dimensional figures onto a plane surface