con·for·mal 
(kən-fôrməl)
(kən-fôrməl)adj.
1. Mathematics Designating or specifying a mapping of a surface or region upon another surface so that all angles between intersecting curves remain unchanged.
2. Of or relating to a map projection in which small areas are rendered with true shape.
[Late Latin cōnfōrmālis, similar : Latin com-, com- + Latin fōrma, shape.]