8 results for: spheroid

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

sphe·roid

Audio Help [sfeer-oid] Pronunciation Key Geometry

–noun

1.	a solid geometrical figure similar in shape to a sphere, as an ellipsoid.

–adjective

2.	spheroidal.

[Origin: 1655–65; < L sphaeroīdés < Gk sphairoeids. See sphere, -oid

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
spheroid

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American Heritage Dictionary - Cite This Source - Share This

spher·oid Audio Help (sfîr'oid', sfěr'-) Pronunciation Key
n. A body that is shaped like a sphere but is not perfectly round, especially an ellipsoid that is generated by revolving an ellipse around one of its axes.

sphe·roi'dal (-oid'l), sphe·roi'dic (-oi'dĭk) adj., sphe·roi'dal·ly adv., sphe'roi·dic'i·ty (-dĭs'ĭ-tē) n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

spheroid
noun
a shape that is generated by rotating an ellipse around one of its axes; "it looked like a sphere but on closer examination I saw it was really a spheroid"

The American Heritage Science Dictionary - Cite This Source - Share This

spheroid Audio Help (sfîr'oid') Pronunciation Key
A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

spher·oid (sfroid, sfr-) or sphe·roi·dal (sf-roidl)
adj.

Having a generally spherical shape.

spheroid n.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: sphe·roi·dal
Pronunciation: sfir-'oid-^&l
Variant: also spher·oid /'sfi(&)r-"oid, 'sfe(&)r-/
Function: adjective
: having the shape of a sphere

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

spheroid

Ob*late"\, a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see Ob-) + latus borne, for tlatus. See Tolerate.]

1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate spheroid.

2. Offered up; devoted; consecrated; dedicated; -- used chiefly or only in the titles of Roman Catholic orders. See Oblate, n.

Oblate ellipsoid or spheroid (Geom.), a solid generated by the revolution of an ellipse about its minor axis; an oblatum. See Ellipsoid of revolution, under Ellipsoid.

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