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1. Dictionary

   Sphere

   /sfir/

   

   noun

   • 1. a round solid figure, or its surface, with every point on its surface equidistant from its center.
   • ▪ an object having a round solid shape; a ball or globe: "the markers on the route included two conspicuous black spheres" Similar globeballorbspheroidglobuleroundbubblerare:spherule
   • ▪ a globe representing the earth: "the room was littered with books, maps, and spheres"
   • ▪ a celestial body: literary "he sometimes took out his telescope to make sure the spheres were still revolving in good order"
   • ▪ the sky perceived as a vault upon or in which celestial bodies are represented as lying. literary
   • ▪ each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed relationship.
   • 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 domainrealmprovincefieldarearegionterritoryarenadepartmentarea of interestarea of studydisciplinespecialityspecialty

   verb

   • 1. enclose in or as if in a sphere: archaic "mourners, sphered by their dark garb"
   • ▪ form into a rounded or perfect whole: archaic "you, hitherto, have still had goodness sphered within your eyes"

   Word Origin Middle English: from Old French espere, from late Latin sphera, earlier sphaera, from Greek sphaira ‘ball’.

   Scrabble Points: 11

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2. www.merriam-webster.com › dictionary › sphereSphere Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › sphere

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   Learn the various meanings and uses of the word sphere, from a globular body to a social order or rank. See synonyms, examples, etymology, and related words for sphere.

3. People also ask

   How do you calculate the surface area of a sphere?

   • (f) The surface area of a sphere is given by the formula S4r2. (1) If r7 and 3,14 , calculate S rounded off to two decimal places. (2) If S 100, calculate the value of r. (g) The surface area of a cylinder is given by the formula S 2 ( ) rr h. (1) Calculate S if r6 and h10 .

   0,1' $&7,21 6(5,(6 0$7+(0$7,&6 - tongaatsecondary.co.za

   www.tongaatsecondary.co.za/gallery/Mind Action Maths Gr 9.pdf

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   How do you find the radius and center of a sphere?

   • Similarly, you can use the standard form of the sphere equation to find the radius and center of the sphere. For example, a sphere with the equation (x-7)^2 + (y-12)^2 + (z-4)^2 = 36 (x−7)2 +(y− 12)2 +(z −4)2 = 36 would have its center at (7,12,4) (7,12,4), and its radius is given by:

   Equation of a Sphere Calculator

   www.omnicalculator.com/math/sphere-equation

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   What is the distance between a sphere and the center?

   • The points on the surface of the sphere are equidistant from the center. Hence, the distance between the center and the surface of the sphere are equal at any point. This distance is called the radius of the sphere. Examples of spheres are a ball, a globe, the planets, etc. What is a Sphere?

   Sphere - Definition, Formulas, Equation, Properties & Examples

   byjus.com/maths/sphere/

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4. dictionary.cambridge.org › dictionary › englishSPHERE | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   A sphere is a round object or a subject or area of knowledge, work, etc. Learn more about the word sphere, its synonyms, collocations, and usage in sentences from the Cambridge Dictionary.

5. Videos

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6. www.dictionary.com › browse › sphereSPHERE Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › sphere

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   A sphere is a round body or a three-dimensional geometric figure with all points equidistant from a center. Learn more about the origin, synonyms, and examples of sphere in math, astronomy, and other fields.

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

   en.wikipedia.org › wiki › Sphere

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   A sphere is a three-dimensional object that is the set of points equidistant from a center. Learn how to define, parametrize, and calculate the volume and surface area of a sphere using formulas and examples.

8. dictionary.cambridge.org › english › sphereSPHERE | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › sphere

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   Learn the meaning of sphere as a round object, an area of knowledge or activity, and a range of influence. See how to use sphere in sentences and phrases with other words.

9. www.oxfordlearnersdictionaries.com › definitionsphere noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

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   A sphere is a round object or a region that surrounds something. Learn how to use the word sphere in different contexts, such as geometry, politics, or social groups, with examples and synonyms.

10. www.thefreedictionary.com › sphereSphere - definition of sphere by The Free Dictionary

    www.thefreedictionary.com › sphere

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    A sphere is a three-dimensional surface or object that is round and symmetrical. Learn about the mathematical properties, applications, and meanings of sphere in different contexts, such as astronomy, sociology, and geometry.