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
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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