elliptic geometry

noun

: geometry that adopts all of Euclid's axioms except the parallel axiom which is replaced by the axiom that through a point in a plane there pass no lines that do not intersect a given line in the plane

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now