ellipsoid

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Related to Elipsoid: geoid, ellipsoid joint
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ellipsoid
The equation for an ellipsoid is
x2/a2 + y2/b2 + z2/c2 = 1.

el·lip·soid

 (ĭ-lĭp′soid′)
n.
A geometric surface, all of whose plane sections are either ellipses or circles.

el·lip′soid′, el·lip′soi′dal (ĭ-lĭp′soid′l, ĕl′ĭp-, ē′lĭp-) adj.

ellipsoid

(ɪˈlɪpsɔɪd)
n
(Mathematics)
a. a geometric surface, symmetrical about the three coordinate axes, whose plane sections are ellipses or circles. Standard equation: x2/a2 + y2/b2 + z2/c2 = 1, where ±a, ±b, ±c are the intercepts on the x-, y-, and z- axes
b. a solid having this shape: the earth is an ellipsoid.
ellipsoidal adj

el•lip•soid

(ɪˈlɪp sɔɪd)

n.
1. a solid figure whose plane sections are all ellipses or circles.
adj.
[1715–25; < French ellipsoïde]

el·lip·soid

(ĭ-lĭp′soid′)
A three-dimensional geometric figure resembling a flattened sphere. Any cross section of an ellipsoid is an ellipse or circle.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ellipsoid - a surface whose plane sections are all ellipses or circlesellipsoid - a surface whose plane sections are all ellipses or circles; "the Earth is an ellipsoid"
plane figure, two-dimensional figure - a two-dimensional shape
Adj.1.ellipsoid - having the nature or shape of an ellipsoid
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
Translations
ellipsoidi
ellipsoid
References in periodicals archive ?
Fruit shape: globose = 0; subglobose = 1; obovoid = 2; elipsoid = 3; ovoid = 4.
The fresh OFSP root cells contained starch granules ranging from globular to elipsoid and of varying sizes.
Tumour volume was calculated by formula of elipsoid [(volume = saggital x coronal x axial diameters) [phi]/6] (11).