See Also:

gon (iou)



-gon suffix.
[Greek -gonos angled.]
Forming nouns denoting plane figures with a specified number of angles; also (rare) forming adjectives with the sense 'possessing a specified number of angles', as septagon. Usu. with Greek combining forms, as hexagon, polygon; also with algebraic symbols or numerals, as n-gon, 16-gon.