spheroid

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spher·oid

(sfîr′oid′, sfĕr′-)

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 (sfĭ-roid′l), sphe·roi′dic (-roi′dĭk) adj.

sphe·roi′dal·ly adv.

sphe′roi·dic′i·ty (-dĭs′ĭ-tē) n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spheroid

(ˈsfɪərɔɪd)

(Mathematics) maths another name for ellipsoid of revolution

adj

(Mathematics) shaped like but not exactly a sphere

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sphe•roid

(ˈsfɪər ɔɪd)
n.

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

[1655–65; < Latin sphaeroīdēs < Greek sphairoeidḗs. See sphere, -oid]

sphe•roi′dal, adj.

sphe·roid

(sfîr′oid′)

A three-dimensional geometric surface generated by rotating an ellipse on or about one of its axes.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

spheroid - 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"

ellipsoid of revolution

round shape - a shape that is curved and without sharp angles

Translations

sferoide

spheroid

[ˈsfɪərɔɪd] N → esferoide m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

spheroid

n (Geometry) → Rotationsellipsoid nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

sphe·roid

, spheroidal

n. esferoide, de forma esférica.

English-Spanish Medical Dictionary © Farlex 2012

References in classic literature ?

What kind of spectacle would its hidden hemisphere present to our terrestrial spheroid? Granting that the question at present was simply that of sending a projectile up to the moon, every one must see that that involved the commencement of a series of experiments.

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He thus obtained a spheroid, the capacity of which amounted, in round numbers, to ninety thousand cubic feet.

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At that precise moment we shall leave our spheroid. Thus we still have twenty-seven minutes to remain on the earth."

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The term that mathematicians would use to describe the shape of the earth is "oblate spheroid." Would you believe the earth actually has

Is the earth perfectly round? Earth: Round or other?

[4-6] Excess deposition of iron causes neuronal degeneration, gliosis, and spheroid formation (Vacuolization).

HALLERVORDEN SPATZ DISEASE

An oral presentation at ASH showed that FT500 synergizes with T cells and anti-PD1 antibody to produce pro-inflammatory cytokines and completely clear target cancer cells in an in vitro three-dimensional tumor spheroid model.

Fate Therapeutics announces preclinical data on iPSC product platform at ASH

Don't let that number mislead you, though; Kleopatra offers nothing like the elegant sphere of Ceres or the oblate spheroid of Vesta.

Asteroid Occultation

However, because of its gravity and rotation, Earth is actually an oblate spheroid, and this shape is represented in satellite observations.

IMPROVING MODELS THROUGH BETTER REPRESENTATION OF EARTH'S SHAPE

It certainly defies any common sense, to continue to put my emotional neck out for something that will, invariably, make me want to tear my hair out, to spend countless Sunday hours watching grown men try to move a prolate spheroid past a certain line in the hopes that it will give mesomething.

Philadelphia, the Never-Promised Land

Also, in the news: researchers in Korea have developed a technique that generates high yields of spheroid cultures with reproducible shapes and sizes using "lab-on-a-CD" technology, also known as centrifugal microfluidics**; and researchers in the U.S.

The 3D Cell Culture Market is Expected to Expand by 2020. Experts Gather at SMi's Event This February.

Here, we choose the spheroid to represent the nonspherical mineral aerosol in order to study the scattering cross sections of nonspherical particles within the Gaussian beam incidence.