• synonyms


[ee-kwee-ang-gyuh-ler, ek-wee-]
  1. having all the angles equal.
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Origin of equiangular

First recorded in 1650–60; equi- + angular
Related formse·qui·an·gu·lar·i·ty, nounun·e·qui·an·gu·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for equiangular

Historical Examples of equiangular

  • It opens with a definition of a regular polygon as one that is both equilateral and equiangular.

    The Teaching of Geometry

    David Eugene Smith

  • The proof of Euclid's axiom looked for in the properties of the Equiangular Spiral.

  • Euclid does not use the word regular, but he describes the polygons in question as equiangular and equilateral.

British Dictionary definitions for equiangular


  1. having all angles equal
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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 equiangular


1650s; see equi- + angular.

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Online Etymology Dictionary, © 2010 Douglas Harper

equiangular in Science


[ē′kwē-ănggyə-lər, ĕk′wē-]
  1. Having all angles equal.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.