Noun
-
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
- celestial sphere - vault of heaven -
a three-dimensional closed surface such that every point on the surface is equidistant from the center
-
a solid figure bounded by a spherical surface (including the space it encloses)
-
a particular aspect of life or activity
"he was helpless in an important sector of his life"
-
the geographical area in which one nation is very influential
- sphere of influence -
any spherically shaped artifact
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a particular environment or walk of life
"his social sphere is limited"
"it was a closed area of employment"
"he's out of my orbit"