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# ellipsoid

[ ih-lip-soid ]

/ ÉªËˆlÉªp sÉ”Éªd /

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noun

Geometry. a solid figure all plane sections of which are ellipses or circles. Typical equation: (x2/a2) + (y2/b2) + (z2/c2) = 1.

adjective

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## Words nearby ellipsoid

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Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2022

## How to use ellipsoid in a sentence

## British Dictionary definitions for ellipsoid

ellipsoid

/ (ÉªËˆlÉªpsÉ”Éªd) /

noun

- a geometric surface, symmetrical about the three coordinate axes, whose plane sections are ellipses or circles. Standard equation: x Â²/ a Â² + y Â²/ b Â² + z Â²/ c Â² = 1, where Â± a, Â± b, Â± c are the intercepts on the x-, y-, and z- axes
- a solid having this shapethe earth is an ellipsoid

## Derived forms of ellipsoid

ellipsoidal (ÉªlÉªpËˆsÉ”ÉªdÉ™l, ËŒÉ›l-), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for ellipsoid

ellipsoid

[ Ä-lÄpâ€²soidâ€² ]

A three-dimensional geometric figure resembling a flattened sphere. Any cross section of an ellipsoid is an ellipse or circle. An ellipsoid is generated by rotating an ellipse around one of its axes.

The American HeritageÂ® Science Dictionary
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