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sphere

/sfɪə/ /sfɪɹ/
Visual illustration of sphere: A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter . - Image 1
sphere: A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter . - Thumbnail 1
sphere: A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter . - Thumbnail 2
noun

A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .

Visual illustration of sphere: 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).
noun

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).