descriptive geometry

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

noun

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

Word History and Origins

Origin of descriptive geometry¹

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.

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

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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.

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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.

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

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