sphere

1. A particular environment or walk of life (synset 114537641)
   "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"
   is a type of: environment - the totality of surrounding conditions
   subtypes:

   • distaff - the sphere of work by women
   • front - a sphere of activity involving effort
   • kingdom, land, realm - a domain in which something is dominant
   • lap - an area of control or responsibility
   • political arena, political sphere - a sphere of intense political activity
   • preserve - a domain that seems to be specially reserved for someone
   • province, responsibility - the proper sphere or extent of your activities
   same as: area, arena, domain, field, orbit
2. Any spherically shaped artifact (synset 104281649)
   is a type of: artefact, artifact - a man-made object taken as a whole
   subtypes: globe - a sphere on which a map (especially of the earth) is represented
3. The geographical area in which one nation is very influential (synset 108671145)
   is a type of: geographic area, geographic region, geographical area, geographical region - a demarcated area of the Earth
   same as: sphere of influence
4. A particular aspect of life or activity (synset 105861665)
   "he was helpless in an important sector of his life"
   is a type of: aspect, facet - a distinct feature or element in a problem
   subtypes: department - a specialized sphere of knowledge
   same as: sector
5. A solid figure bounded by a spherical surface (including the space it encloses) (synset 113921893)
   is a type of: round shape - a shape that is curved and without sharp angles
   subtypes:

   • conglobation, conglomeration - a rounded spherical form
   • ball, globe, orb - an object with a spherical shape
   • bead, drop, pearl - a shape that is spherical and small
6. A three-dimensional closed surface such that every point on the surface is equidistant from the center (synset 113921592)
   is a type of: round shape - a shape that is curved and without sharp angles
   has: sr, steradian - the unit of solid angle adopted under the Systeme International d'Unites
7. The apparent surface of the imaginary sphere on which celestial bodies appear to be projected (synset 108538450)
   is a type of: surface - the extended two-dimensional outer boundary of a three-dimensional object
   has:

   • apex, apex of the sun's way, solar apex - the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
   • celestial point - a point in the heavens (on the celestial sphere)
   • nadir - the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
   • zenith - the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
   • zodiac - a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes
   same as: celestial sphere, empyrean, firmament, heavens, vault of heaven, welkin

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