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geometry

[jee-om-i-tree] /dʒiˈɒm ɪ tri/
noun, plural geometries.
1.
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.
2.
any specific system of this that operates in accordance with a specific set of assumptions:
Euclidean geometry.
3.
the study of this branch of mathematics.
4.
a book on this study, especially a textbook.
5.
the shape or form of a surface or solid.
6.
a design or arrangement of objects in simple rectilinear or curvilinear form.
Origin
1300-1350
1300-50; Middle English < Latin geōmetria < Greek geōmetría. See geo-, -metry
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for geometry
  • One of my favorite high-school subjects was geometry.
  • The first biometric technology to become widely used was hand geometry.
  • Balance and geometry play a crucial role in successful composition.
  • Many cosmologists think the universe's shape may be best described using hyperbolic geometry.
  • Dark energy also helps explain the geometry of the universe, and how the shape of the universe has changed over time.
  • geometry dictates that only two-, three-, four- and sixfold rotational symmetry can exist.
  • Scientists have discovered they use geometry to find their way home again.
  • The geometry and properties of space diverge along two formulations, according to whether matter or space is dominant.
  • geometry dictates that only two-, three-, four- and six-fold rotational symmetry can exist.
  • Researchers said the power, voltage, and lifetime of the battery can be improved by adjusting the geometry and materials used.
British Dictionary definitions for geometry

geometry

/dʒɪˈɒmɪtrɪ/
noun
1.
the branch of mathematics concerned with the properties, relationships, and measurement of points, lines, curves, and surfaces See also analytical geometry, non-Euclidean geometry
2.
  1. any branch of geometry using a particular notation or set of assumptions: analytical geometry
  2. any branch of geometry referring to a particular set of objects: solid geometry
3.
a shape, configuration, or arrangement
4.
(arts) the shape of a solid or a surface
Word Origin
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
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Word Origin and History for geometry
n.

early 14c., from Old French géométrie (12c.), from Latin geometria, from Greek geometria "measurement of earth or land; geometry," from comb. form of ge "earth, land" (see Gaia) + -metria (see -metry).

Online Etymology Dictionary, © 2010 Douglas Harper
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geometry in Science
geometry
  (jē-ŏm'ĭ-trē)   
The mathematical study of the properties, measurement, and relationships of points, lines, planes, surfaces, angles, and solids.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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geometry in Culture

geometry definition


The branch of mathematics that treats the properties, measurement, and relations of points, lines, angles, surfaces, and solids. (See Euclid and plane geometry.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for geometry

the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space. It is one of the oldest branches of mathematics, having arisen in response to such practical problems as those found in surveying, and its name is derived from Greek words meaning "Earth measurement." Eventually it was realized that geometry need not be limited to the study of flat surfaces (plane geometry) and rigid three-dimensional objects (solid geometry) but that even the most abstract thoughts and images might be represented and developed in geometric terms

Learn more about geometry with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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