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ellipsoid
(e lip′so̵id′, i-)
noun
- a solid formed by rotating an ellipse around either axis: its plane sections are all ellipses or circles
- the surface of such a solid
Origin: Fr ellipsoïde: see ellipse & -oid
adjective
of or shaped like an ellipsoid
See ellipsoid in American Heritage Dictionary 4
noun
A geometric surface, all of whose plane sections are either ellipses or circles.
Related Forms:
- el·lipˈsoidˌ, el·lipˌsoiˈdal (ĭ-lĭpˌsoidˈl, ĕlˌĭp-, ēˌlĭp-) adjective
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ellipsoid
x2/a2
+
y2/b2
+
z2/c2
=1
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