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projective geometry

noun

  1. the geometric study of projective properties.


projective geometry

noun

  1. the branch of geometry concerned with the properties of solids that are invariant under projection and section
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of projective geometry1

First recorded in 1880–85
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Example Sentences

The first development—projective geometry—was born in the turmoil of war.

But Gergonne would surely have approved: he studied projective geometry, which involves shapes with exotic topologies, such as surfaces that have only one side.

From Nature

The others are said to be projective properties, and their investigation forms the subject of projective geometry.

And this is true even of such apparently essentially intuitional fields as projective geometry, where entities can be substituted for directional lines and the axioms be turned into relational postulates governing their configurations.

The author is professor of projective geometry and geometric drawing in the University of Bologna, and is one of the most conspicuous of contemporary Italian scientists.

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projectiveprojective property