See Also: Lobachevskian(dictionary)

Lobachevskian (iou)



Lobachevskian adjective. L19.
[from Nikolai Lobachevsky (1793-1856), Russian mathematician: see -IAN.]
Math. Designating, of, or pertaining to a non-Euclidean hyperbolic geometry in which space is everywhere negatively curved. Cf. RIEMANNIAN.