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.

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descriptive geometry British  

noun

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

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Etymology

Origin of descriptive geometry

First recorded in 1815–25

Example Sentences

See Examples For:

descriptive geometry

You've had descriptive geometry, of course, and so know that a shadow, being simply a projection of a material object upon a plane, is a two-dimensional thing—or rather, a two-dimensional concept.

From Spacehounds of IPC by Smith, E. E. (Edward Elmer)

The programme comprises the German language, French, English, literature, plane and descriptive geometry, physics, chemistry, drawing, mechanics, machine construction.

From The Condition and Tendencies of Technical Education in Germany by Chamberlain, Arthur Henry

There is strict duality in descriptive geometry between point-line-locus and line-point-envelope theorems.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

The equation learned in descriptive geometry may be understood, but it never means so much as when it is applied to specific problems in engineering.

From College Teaching Studies in Methods of Teaching in the College by Klapper, Paul

In other institutions it is held that the principles of projection can be taught to students of college age in a course of descriptive geometry without preliminary drill.

From College Teaching Studies in Methods of Teaching in the College by Klapper, Paul