Sphere

Quick meaning: Sphere is a noun meaning (mathematics) A surface in three dimensions consisting of all points equidistant from a center. .

Meaning

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

More Meanings

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

Example Sentences

sphere of influence

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

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

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

Word Forms

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

Synonyms for sphere

Depending on context, synonyms include orb, area, field, orbit, element, empyrean.

Related Words

Related dictionary entries include area, firmament, heavens, orbit, welkin, domain.

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