scalene

Borrowed from Late Latin scalēnus, from Ancient Greek σκᾰληνός (skalēnós, “uneven, unequal, scalene”).

Example of a scalene triangle.

scalene (not comparable)

1. (geometry, of a polygon) Having no two sides equal.
   • 1828, The Imperial Magazine; or, Compendium of Religious, Moral, and Philosophical Knowledge, volume 10, Astronomical Occurrences for January, page 69:

     During the month [Saturn] forms a scalene triangle with Betelgeux and Procyon, and on the 10th an isosceles triangle with them, α Orionis being the summit.

2. (geometry, of a cone) Having the axis inclined to the base; oblique.
3. (anatomy) Obliquely situated and unequal-sided.
4. (anatomy) Pertaining to a scalene muscle.

• intrascalene
• scalene muscle
• scalenectomy

• scalenous

scalene (plural scalenes)

1. (geometry) A figure having no two sides equal.
2. (anatomy) A scalene muscle.

• equilateral
• isosceles

• “scalene, adj. and n.”, in OED Online ⁠, Oxford: Oxford University Press, April 2016.

• Senecal, canelés, cleanse, elances, enlaces, enscale

scalene

1. Feminine plural form of scaleno