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* sphear (archaic)
(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.
* 2011 , Piers Sellers, The Guardian , 6 July:
- Of celestial bodies, first the sun, / A mighty sphere , he framed.
* 1635 , John Donne, "His parting form her":
- So your orientation changes a little bit but it sinks in that the world is a sphere , and you're going around it, sometimes under it, sideways, or over it.
(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 ).
*, vol.1, p.153:
- Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere .
* 1646 , (Thomas Browne), Pseudodoxia Epidemica , I.6:
- It is more simplicitie to teach our children[t]he knowledge of the starres, and the motion of the eighth spheare , before their owne.
(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.
* 1946 , (Bertrand Russell), History of Western Philosophy , I.20:
- They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable.
(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) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
- They thought – originally on grounds derived from religion – that each thing or person had its or his proper sphere , to overstep which is ‘unjust’.
* (object) ball, globe, orb
* (region of activity) area, domain, field, orbit, sector
* (in geometry) (''topology )
* See celestial sphere
* See celestial body
* sphere of influence
* sphere of interest
* ball (in topology )
Mathworld article on the sphere
To place in a sphere, or among the spheres; to ensphere.
To make round or spherical; to perfect.
- The glorious planet Sol / In noble eminence enthroned and sphered / Amidst the other.