- the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties of space.
- any specific system of this that operates in accordance with a specific set of assumptions: Euclidean geometry.
- the study of this branch of mathematics.
- a book on this study, especially a textbook.
- the shape or form of a surface or solid.
- a design or arrangement of objects in simple rectilinear or curvilinear form.
Origin of geometry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for geometry
Everything becomes a sort of calculation against the geometry and parabolas of the IDF.Dodging Rockets in Afghanistan as the Taliban’s Fighting Season Begins
May 14, 2014
I think in geometry, you can come to very accurate conclusions with just your sensibilities, if not your instincts.
So, geometry elaborates a lot on recursivity in generative grammar.
October 1: “Big moments in geometry class this week...we have completed our first proofs!”Colleen Ritzer Is the Second U.S. Math Teacher Slain in Two Days
October 24, 2013
The Garden of Cyrus, with its arcane explorations of botany and geometry, may as well be an alchemical treatise or a grimoire.Halloween Read: Thomas Browne’s Eerie Premonition of His Burial
October 30, 2012
Ben is thirteen, and he studies algebra, geometry, and Latin.
I have acquired some knowledge of navigation, of astronomy, and of geometry.
I understand, he said, that you are speaking of the province of geometry and the sister arts.
I was too soon diverted from the abstractions of dialectic to geometry.Theaetetus
Then if geometry compels us to view being, it concerns us; if becoming only, it does not concern us?
- the branch of mathematics concerned with the properties, relationships, and measurement of points, lines, curves, and surfacesSee also analytical geometry, non-Euclidean geometry
- any branch of geometry using a particular notation or set of assumptionsanalytical geometry
- any branch of geometry referring to a particular set of objectssolid geometry
- a shape, configuration, or arrangement
- arts the shape of a solid or a surface
C14: from Latin geōmetria, from Greek, from geōmetrein to measure the land
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
Word Origin and History for geometry
Online Etymology Dictionary, © 2010 Douglas Harper
- The mathematical study of the properties, measurement, and relationships of points, lines, planes, surfaces, angles, and solids.
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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.