geometry based upon one or more postulates that differ from those of Euclid, esp. from the postulate that only one line may be drawn through a given point parallel to a given line.
[ 1870-75; NON- + EUCLIDEAN ]
geometry based upon one or more postulates that differ from those of Euclid, esp. from the postulate that only one line may be drawn through a given point parallel to a given line.
[ 1870-75; NON- + EUCLIDEAN ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012