isosceles

[ ahy-sos-uh-leez ]

adjective
  1. (of a straight-sided plane figure) having two sides equal: an isosceles triangle; an isosceles trapezoid.

Origin of isosceles

1
1545–55; <Late Latin <Greek isoskelḗs with equal legs, equivalent to iso-iso- + skél(os) leg + -ēs adj. suffix

Words Nearby isosceles

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How to use isosceles in a sentence

British Dictionary definitions for isosceles

isosceles

/ (aɪˈsɒsɪˌliːz) /


adjective
  1. (of a triangle) having two sides of equal length

  2. (of a trapezium) having the two nonparallel sides of equal length

Origin of isosceles

1
C16: from Late Latin, from Greek isoskelēs, from iso- + skelos leg

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

Scientific definitions for isosceles

isosceles

[ ī-sŏsə-lēz′ ]


  1. Of or relating to a geometric figure having at least two sides of equal length.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.