Having the shape of a sphere; perfectly round in three dimensions. Relating to or characteristic of a sphere.
From Late Latin 'sphaericus,' from Greek 'sphairikos,' from 'sphaira' meaning 'ball' or 'globe.' The Greek root may be related to 'spairein' meaning 'to quiver' or 'palpitate.'
The sphere is considered the most perfect shape in geometry - every point on its surface is equidistant from the center. Ancient Greeks saw spheres as divine forms, and this mathematical perfection still influences everything from architecture to molecular chemistry.
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