Dictionary
ellipsoid
Meaning
-
- 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 = 1.
- Such a surface used as a model of the shape of the earth.
Pronounced as (IPA)
/ɪˈlɪp.sɔɪd/
Etymology
From ellipse + -oid.
'%3e%3c/path%3e%3c/g%3e%3cdefs%3e%3cmarker%20markerWidth='4.5'%20markerHeight='4.5'%20refX='2.25'%20refY='2.25'%20viewBox='0%200%204.5%204.5'%20orient='auto'%20id='SvgjsMarker4023'%3e%3cpolygon%20points='0,4.5%201.5,2.25%200,0%204.5,2.25'%20fill='white'%3e%3c/polygon%3e%3c/marker%3e%3c/defs%3e%3c/svg%3e)
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