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  1. Dictionary
    sphere
    /sfɪə/

    noun

    • 1. a round solid figure, or its surface, with every point on its surface equidistant from its centre.
    • 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" Similar domainrealmprovincefield

    verb

    • 1. enclose in or as if in a sphere: archaic "mourners, sphered by their dark garb"

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  2. The meaning of SPHERE is the apparent surface of the heavens of which half forms the dome of the visible sky. How to use sphere in a sentence.

  3. SPHERE definition: 1. an object shaped like a round ball: 2. a subject or area of knowledge, work, etc.: 3. an…. Learn more.

  4. en.wikipedia.org › wiki › SphereSphere - Wikipedia

    Of all the solids having a given volume, the sphere is the one with the smallest surface area; of all solids having a given surface area, the sphere is the one having the greatest volume. It follows from isoperimetric inequality.

  5. Sphere definition: 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. See examples of SPHERE used in a sentence.

  6. SPHERE meaning: 1. an object shaped like a round ball: 2. a subject or area of knowledge, work, etc.: 3. an…. Learn more.

  7. sphere. noun. OPAL W. /sfɪə (r)/ /sfɪr/ (geometry) a solid figure that is completely round, with every point on its surface at an equal distance from the centre. The Earth is not a perfect sphere. Topics Colours and Shapes c1. Want to learn more?

  8. Define sphere. sphere synonyms, sphere pronunciation, sphere translation, English dictionary definition of sphere. n. 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,...