# scalene

[skey-leen] /skeɪˈlin/
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 relating to a scalenus muscle.
Origin of scalene
1635-1645
1635-45; < Late Latin scalēnus < Greek skalēnós unequal
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for scalene
Historical Examples
• Here each face of the octahedron is replaced by six scalene triangles, so that altogether there are 575 forty-eight faces.

• A scalene triangle abc might also be employed, or a tetrahedron.

• Now of the two triangles, the isosceles has one form only; the scalene or unequal-sided has an infinite number.

Plato
• The points we occupied respectively formed a scalene triangle.

R. L. Garner
• Of triangles there are two kinds; one having the opposite sides equal (isosceles), the other with unequal sides (scalene).

Plato
• On the other hand, triangles can be divided into equilateral, isosceles and scalene, since no other kind of triangle can exist.

• But it is sometime rationall, and to be expressed by a number: yet but in a scalene triangle onely.

Peter Ramus
• The dramatis persona in their relative positions first formed an isosceles triangle, then a scalene, afterwards a right line.

Mayne Reid
• The general form is bounded by twelve scalene triangles and is a ditrigonal bipyramid.

• The first solid is a regular pyramid, of which the base and sides are formed by four equilateral or twenty-four scalene triangles.

Plato
British Dictionary definitions for scalene

## scalene

/ˈskeɪliːn/
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
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Word Origin and History for scalene

"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
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### Difficulty index for scalene

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### Word Value for scalene

9
12
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