sca·lene 
(skālēn′, skā-lēn)
(skālēn′, skā-lēn)adj.
Having three unequal sides. Used of triangles.
[Late Latin scalēnus, from Greek skalēnos, from skallein, to hoe, stir up; see skel-1 in the Appendix of Indo-European roots.]
scalenescalene triangles