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1. Mathematics A three-dimensional surface, all points of which are equidistant from a fixed point.
2. A spherical object or figure.
3. A celestial body, such as a planet or star.
4. The sky, appearing as a hemisphere to an observer: the sphere of the heavens.
5. Any of a series of concentric, transparent, revolving globes that together were once thought to contain the moon, sun, planets, and stars.
a. A range or extent of knowledge, interest, or activity: a problem that falls within the sphere of biophysics. See Synonyms at field.
b. A social level or part of society or group: knew few people beyond his partner's sphere.
c. A range of power or influence: within the sphere of the empire.
tr.v. sphered, spher·ing, spheres
1. To form into a sphere.
2. To put in or within a sphere.

[Middle English spere, from Old French espere, from Latin sphaera, from Greek sphaira.]

sphe·ric′i·ty (sfî-rĭs′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.


(Mathematics) the state or form of being spherical
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sphericity - the roundness of a 3-dimensional object
roundness - the property possessed by a line or surface that is curved and not angular
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


nKugelform for -gestalt f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
But every other part of knowledge is to be pushed to the same extravagance, ere the soul attains her due sphericity. Do you see that kitten chasing so prettily her own tail?
However, better flowing mass can possibly contain particles with higher sphericity causing lower strength.
The dependent variables were aspect ratio (Y1) so as to predict the sphericity and hardness (Y2).The generation of experimental runs, ANOVA study and optimization were carried out by Design-expert[R] software 10.
Secondly, Bartlett's test of sphericity is employed to test whether correlation matrix is an identity matrix.
Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy and Bartlett's Test of Sphericity were performed which confirms the appropriateness of the sample data, where sample adequacy (.919) is above the cut off and the p-value is less than .001 for sphericity.
It should be noted that sphericity assumption was checked during conducting of repeated measurement and sphericity was assumed.
Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy (KMO) and Bartlett's test of sphericity were used to investigate the adequacy of the sample size.
Orneklem buyuklugu yeterliliginin arastirilmasinda KaiserMeyer-Olkin (KMO) ve Bartlett Testi (Bartlett Test of Sphericity) kullanilmistir.
The seed area, roundness, maximum and minimum diameter, sphericity, contour irregularity, and perimeter were analyzed using 100 seeds per tree.