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- DictionarySphere/sfir/
noun
- 1. a round solid figure, or its surface, with every point on its surface equidistant from its center.
- 2. an area of activity, interest, or expertise; a section of society or an aspect of life distinguished and unified by a particular characteristic: "political reforms to match those in the economic sphere"
verb
- 1. enclose in or as if in a sphere: archaic "mourners, sphered by their dark garb"
Geometry. a solid geometric figure generated by the revolution of a semicircle about its diameter; a round body whose surface is at all points equidistant from the center. Equation: x 2 + y 2 + z 2 = r 2 . the surface of such a figure; a spherical surface. Astronomy. a planet or star; heavenly body. celestial sphere.
Definitions of sphere. noun. a three-dimensional closed surface such that every point on the surface is equidistant from the center. see more. noun. any spherically shaped artifact. see more. noun. a solid figure bounded by a spherical surface (including the space it encloses) see more. noun.
6 days ago · sphere, In geometry, the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters. The components and properties of a sphere are analogous to those of a circle.
3 days ago · 1. countable noun. A sphere is an object that is completely round in shape like a ball. Because the earth spins, it is not a perfect sphere. 2. countable noun. A sphere of activity or interest is a particular area of activity or interest. ...the sphere of international politics.
sphere. noun. /sfɪr/ enlarge image. (geometry) a solid figure that is completely round, with every point on its surface at an equal distance from the center. Take your English to the next level. The Oxford Learner’s Thesaurus explains the difference between groups of similar words.
a round object shaped like a ball. (Definition of sphere from the Cambridge Learner's Dictionary © Cambridge University Press) Translations of sphere. in Chinese (Traditional) 圓形物體, 球，圓球, 球狀物… See more. in Chinese (Simplified) 圆形物体, 球，圆球, 球状物… See more. in Spanish. esfera, esfera [feminine, singular]… See more. in Portuguese.
1. Mathematics A three-dimensional surface, all points of which are equidistant from a fixed point. 2. A spherical object or figure. 3. A celestial body, such as a planet or star. 4. The sky, appearing as a hemisphere to an observer: the sphere of the heavens. 5.
