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sphere [sfɪə] n 1. (Mathematics) Maths a. a three-dimensional closed surface such that every point on the surface is equidistant from a given point, the centre b. the solid figure bounded by this surface or the space enclosed by it. Equation: (x-a)2 + (y-b)2 + (z-c)2 = r2, where r is the radius and (a, b, c) are the coordinates of the centre; surface area: 4πr2; volume: 4πr3/3 2. any object having approximately this shape; globe 3. (Astronomy) the night sky considered as a vaulted roof; firmament 4. (Astronomy) any heavenly object such as a planet, natural satellite, or star 5. (Astronomy) (in the Ptolemaic or Copernican systems of astronomy) one of a series of revolving hollow globes, arranged concentrically, on whose transparent surfaces the sun (or in the Copernican system the earth), the moon, the planets, and fixed stars were thought to be set, revolving around the earth (or in the Copernican system the sun) 6. particular field of activity; environment that's out of my sphere 7. (Sociology) a social class or stratum of society vb (tr) Chiefly poetic 1. to surround or encircle 2. to place aloft or in the heavens [from Late Latin sphēra, from Latin sphaera globe, from Greek sphaira] sphere (sfɪər) n., v. sphered, spher•ing. n. 1. a. 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. b. the surface of such a figure; a spherical surface. 2. any rounded, globular body. 3. a. a planet or star; heavenly body. c. any of the transparent, concentric, spherical shells, or layers, in which, according to ancient belief, the planets, stars, and other heavenly bodies were set. 4. the environment within which a person or thing exists, acts, or operates. 5. a field of something specified: a sphere of knowledge. v.t. 6. to enclose in a sphere. 7. to form into a sphere. 8. to place among the heavenly spheres. [1275–1325; < Old French espere < Late Latin spēra, Latin sphaera globe < Greek sphaîra] -sphere a combining form meaning “sphere,” “something spherical in shape” (hemisphere), used esp. in the names of the concentric layers of gases, water, rock, etc., characteristic of the earth or other celestial bodies (ionosphere; lithosphere).
Sphere the persons with whom one is normally in contact, 1839; a group of persons of a certain rank, standing, or interest, 1601. Examples: sphere of sweet affections, 1602; of fortunes, 1671; of the theatre; of the world of music. sphere
Thesaurus Legend: Synonyms Related Words Antonyms
sphere Translations sphere [sfɪəʳ] N 1. (Astron, Math etc) → esfera f 2. (fig) → esfera f in the social sphere → en la esfera social sphere of influence → esfera f de influencia sphere of activity → campo m de actividad, esfera f de actividad his sphere of interest → el ámbito de sus intereses in the sphere of politics → en el mundo de la política that's outside my sphere → eso no es de mi competencia sphere [ˈsfɪər] n (= round object) → sphère f sphere n → Kugel f; (= heavenly sphere) → Gestirn nt (geh); (old Astron) → Sphäre f (old); the celestial sphere (poet) → das Himmelszelt (poet); to be a sphere → kugelförmig sein (fig) → Sphäre f, → Welt f; (of person, personal experience) → Bereich m; (of knowledge etc) → Gebiet nt, → Feld nt; (= social etc circle) → Kreis m; in the sphere of politics → in der Welt der Politik; his sphere of interest/influence → sein Interessen-/Einflussbereich; sphere of activity (= job, specialism) → Wirkungskreis m; that’s outside my sphere → das geht über meinen Horizont; (= not my responsibility) → das ist nicht mein Gebiet sphere [sfɪəʳ] n (gen) → sfera his sphere of interest → la sua sfera d'interessi his sphere of activity → il suo campo di attività within a limited sphere → in un ambito molto ristretto sphere of influence → sfera d'influenza that's outside my sphere → non rientra nelle mie competenze a solid object with a surface on which all points are an equal distance from the centre, like eg most types of ball. spherical (ˈsferikəl) adjective completely round, like a ball. It is now known that the world is not flat, but spherical; a spherical object. sphere n. esfera. 1. estructura en forma de globo; 2. ambiente sociológico. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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