Sphere

/sfɪə/ · noun

Meaning

(mathematics) A surface in three dimensions consisting of all points equidistant from a center. ..

Definitions by Sense

1. (mathematics) A surface in three dimensions consisting of all points equidistant from a center. .
2. An object which appears to be bounded by a sphere; a round object, a ball.
3. (astronomy, now rare) The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
4. (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).
5. (mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
6. (figuratively) The region in which something or someone is active; one's province, domain.
7. The natural, normal, or proper place (of something).
8. (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 .

Example Sentences

Of celestial bodies, first the sun, / A mighty sphere, he framed.

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.

Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere.

Resistless rolls the illimitable sphere, / And one great circle forms the unmeasured year.

ſooner ſhall the Sun fall from his Spheare, Than Tamburlaine be ſlaine or ouercome.

It is more simplicitie to teach our children[…][t]he knowledge of the starres, and the motion of the eighth spheare, before their owne.

They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable.

sphere of influence

Synonyms for sphere

Antonyms for sphere

Related Words

Word Forms

• spheres
• sphaere
• sphære
• sphear
• spheare
• sphering
• sphered

Usage Notes

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