ge·o·des·ic 
(jē′ə-dĕsĭk, -dēsĭk)
(jē′ə-dĕsĭk, -dēsĭk)adj.
1.
a. Of or relating to the geometry of geodesics.
b. Of or relating to geodesy.
2. Having a structure consisting of lightweight rods or poles joined so as to form interlocking polygons whose vertices lie on an imaginary sphere: a geodesic dome.
n.
The shortest path between two points on any mathematically defined surface.
[From GEODESY.]
geodesicgeodesic dome