[sca.lene] adj [LL scalenus, fr. Gk skalenos, lit., uneven; perh. akin to Gk skolios crooked, skelos leg--more at isosceles] (1734) of a triangle: having the three sides of unequal length--see triangle illustration
SCALENE
Meaning of SCALENE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012