descriptive geometry

American  

noun

1. 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.

2. geometry in general, treated by means of projections.

---

descriptive geometry British  

noun

1. the study of the projection of three-dimensional figures onto a plane surface

---

Etymology

Origin of descriptive geometry

First recorded in 1815–25

Example Sentences

As a professor, he taught a class called descriptive geometry, which involved teaching students to use two-dimensional images to represent three-dimensional shapes and problems.

From New York Times

His labours were chiefly in the field of descriptive geometry, with its application to the arts and mechanical engineering.

From Project Gutenberg

In descriptive geometry two straight lines in a plane do not necessarily intersect, and a straight line is an open series without beginning or end.

From Project Gutenberg

Thirty-nine professors imparted instruction in analysis, mechanics, descriptive geometry, physics, chemistry, land-surveying, architecture, the military art, fortifications, plans, French composition, the German language and design.

From Project Gutenberg

A course in descriptive geometry followed by an elementary technical course.

From Project Gutenberg