- 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012