non-Euclidean

non-Eu clid e an |ˌnän yo͞oˈklidēən ˌnɑn juˈklɪdiən | ▶adjective Geometry denying or going beyond Euclidean principles in geometry, esp. in contravening the postulate that only one line through a given point can be parallel to a given line.

non-Euclidean

non-Euclid ¦ean |nɒnjuːˈklɪdɪən | ▶adjective Geometry denying or going beyond Euclidean principles in geometry, especially contravening the postulate that only one line through a given point can be parallel to a given line.