1. • noun - a particular environment or walk of life
   • noun - any spherically shaped artifact
   • noun - the geographical area in which one nation is very influential
   • noun - a particular aspect of life or activity
   • noun - a solid figure bounded by a spherical surface (including the space it encloses)
   • noun - a three-dimensional closed surface such that every point on the surface is equidistant from the center
   • noun - the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
2. • A three-dimensional surface, all points of which are equidistant from a fixed point.
   • A spherical object or figure.
   • A celestial body, such as a planet or star.
   • The sky, appearing as a hemisphere to an observer: the sphere of the heavens.
   • Any of a series of concentric, transparent, revolving globes that together were once thought to contain the moon, sun, planets, and stars.
   • The extent of a person’s knowledge, interests, or social position.
   • An area of power, control, or influence; domain.
   • To form into a sphere.
   • To put in or within a sphere.
   • To surround or encompass.
3. • v - to form into a sphere (a type of geometric solid)

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