sphere
Pronunciation: /sfɪə/
The English word “sphere” has 12 meanings listed here.
noun
- A surface in three dimensions consisting of all points equidistant from a center. .
- An object which appears to be bounded by a sphere; a round object, a ball.
- The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
- 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).
- An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
- The region in which something or someone is active; one's province, domain.
- The natural, normal, or proper place (of something).
- 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 .
- The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.
- A food preparation comprising a flavorful liquid treated by spherification to produce spheres.
verb
Etymology
From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) . Displaced Old English cliewen, þoþor, and æppel.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.