The branch of geometry concerned with the study of two-dimensional representations of three-dimensional objects, especially as a means of using the former to study the latter.
Origin
Early 19th century; earliest use found in The Critical Review. After French géometrie descriptive (G. MongeGéométrie descriptive.
Definition of descriptive geometry in US English:
descriptive geometry
noun
Mathematics
The branch of geometry concerned with the study of two-dimensional representations of three-dimensional objects, especially as a means of using the former to study the latter.
Origin
Early 19th century; earliest use found in The Critical Review. After French géométrie descriptive (G. Monge Géométrie descriptive.