sphere
noun · verbA2Định nghĩa theo từ loại
Danh từ
noun- 1.
(mathematics) A surface in three dimensions consisting of all points equidistant from a center. .
Đồng nghĩa: 2-sphere
- 2.
An object which appears to be bounded by a sphere; a round object, a ball.
Đồng nghĩa: orb
- 3.
(archaic)(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)(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.
sphere of influence
Đồng nghĩa: area, field, orbit, sector
- 7.
The natural, normal, or proper place (of something).
in one's sphere
Đồng nghĩa: element
- 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 .
- 9.
(dated)(logic, dated) The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.
Động từ
verb- 1.
(transitive)To place in a sphere, or among the spheres; to ensphere.
- 2.
(transitive)To make round or spherical; to perfect.
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Nguồn gốc từ
From Middle English spere, from Old French sphere, from la-lat sphēra, earlier la sphaera, from grc σφαῖρα, of unknown origin. Not related to superficially similar سپهر sky.