ellipsoid

(e lipso̵id′, i-)

noun

  1. a solid formed by rotating an ellipse around either axis: its plane sections are all ellipses or circles
  2. 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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ellipsoid

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