triangularity

from WordNet (r) 3.0 (2006)
triangularity
    n 1: the property of being shaped like a triangle
    
from The Collaborative International Dictionary of English v.0.48
Triangularity \Tri*an`gu*lar"i*ty\, n.
   The quality or state of being triangular. --Bolingbroke.
   [1913 Webster]
    

[email protected]