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scalene

[skey-leen] /skeɪˈlin/
adjective
1.
Geometry.
  1. (of a cone or the like) having the axis inclined to the base.
  2. (of a triangle) having three unequal sides.
2.
Anatomy. of or pertaining to a scalenus muscle.
Origin
1635-1645
1635-45; < Late Latin scalēnus < Greek skalēnós unequal
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for scalene
  • Have the words equilateral, isosceles, and scalene written on labels placed on a mat on the floor.
  • Have the participants draw a scalene triangle and copy it several times to make congruent triangles.
British Dictionary definitions for scalene

scalene

/ˈskeɪliːn/
adjective
1.
(maths) (of a triangle) having all sides of unequal length
2.
(anatomy) of or relating to any of the scalenus muscles
Word Origin
C17: from Late Latin scalēnus with unequal sides, from Greek skalēnos
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 scalene
adj.

"having unequal sides," 1680s, from Late Latin scalenus, from Greek skalenos "uneven, unequal, odd (numbered)," as a noun, "triangle with unequal sides," from skallein "chop, hoe," from PIE *(s)kel- (1) "to cut" (see scale (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper
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scalene in Science
scalene
  (skā'lēn')   
Having three unequal sides, as a triangle that is neither equilateral nor isosceles.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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