noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A particular surface in three-dimensional Euclidean space, the graph of a quadratic with all three variables squared and their coefficients not all of the same sign.
2. 2
   a quadric surface generated by rotating a hyperbola around its main axis wordnet

Etymology

From hyperbola + -oid.

Related phrases

hyperboloid of revolutioneuclidean space

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.