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

Lines at any slope and at any angle can be drawn by this descriptive geometry.

From The Theory and Practice of Perspective by Storey, G. A. (George Adolphus)

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 Paris From the Earliest Period to the Present Day; Volume 2 by Walton, William

Such a treatment of descriptive geometry, following a thorough course in elementary drawing, should make it possible to deal with abstract principles of projection with a few well-chosen applications.

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

When theoretical work is given, such subjects are included as bookkeeping, descriptive geometry, physics and mechanics, German, free-hand and mechanical drawing, design, principles of architecture.

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

Accordingly the greater part of the analytical theory of conics and quadrics belongs to geometry 733 at this stage The theory of distance will be considered after the principles of descriptive geometry have been developed.

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