SpellRight › Spelling
Rareellipsoids
The correct spelling is ellipsoids.
How to pronounce ellipsoids
noun
Say it like: Ell-ips-oyd-s
The correct spelling is ellipsoids. A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equ… For example: "Here the geoid is thirty meters below the ellipsoid."
Usage Examples
“Here the geoid is thirty meters below the ellipsoid.”
Definition
noun
- 1.A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x2/a2 + y2/b2 + z2/c2 = 0.
- 2.Such a surface used as a model of the shape of the earth.
Similar words
Words related in meaning — check their spelling too.