sphere

IPA: sfˈɪr

(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
A spherical physical object; a globe or ball.
(astronomy, now rare) The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
(historical, astronomy, mythology) Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
(mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
(figuratively) The region in which something or someone is active; one's province, domain.
The natural, normal, or proper place (of something).
(geometry) The set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point .
(logic, dated) The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.

Examples of "sphere" in Sentences

See additional notes, No. VI.] [_Or sphere on sphere_. l.
Other sphere is around our personal presentation of self.
In many ways a sphere is the simplest shape an object can take.
Whether or not the information was in the public sphere is irrelevant.
The World Bank chief Paul Wolfowitz fighting back against what he calls a sphere campaign with help from President Bush.
What is, however, urgently necessary in this sphere is a marked increase in the security capabilities on the European side.
And, for her own happiness, all the more because her sphere is at home, her home stores should be exhaustless – the stores she cannot go abroad to seek.
Must I be comforted, not in his sphere] I cannot be united with him and move in the same _sphere_, but _must be comforted_ at a distance by the _radiance_ that shoots _on all sides_ from him.
"Perhaps never," said Lilian, endeavoring, not very successfully, to steady her voice and speak with _nonchalance_, "unless you are willing to leave what you call your sphere and seek me in mine."
It teaches us more than this: that, as man has smaller language than woman, his sphere is the domestic; is the quiet, the silent, the unobtrusive; is one of silent influences, not public and demonstrative like that of woman.