[non-yoo-klid-ee-uh
n] 
| differing from the postulates of Euclid or based upon postulates other than those of Euclid. |
non-Euclidean (nŏn'y -klĭd'ē-ən) Pronunciation Key
Relating to any of several modern geometries that are based on a set of postulates other than the set proposed by Euclid, especially one in which all of the postulates of Euclidean geometry hold except the parallel postulate. Compare Euclidean. |