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orbit (n.)the (usually elliptical) path described by one celestial body in its revolution about another;
he plotted the orbit of the moon
Synonyms:Â celestial orbit
orbit (n.)a particular environment or walk of life;
orbit (n.)an area in which something acts or operates or has power or control: "the range of a supersonic jet";
in the political orbit of a world power
orbit (n.)the path of an electron around the nucleus of an atom;
Synonyms:Â electron orbit
orbit (n.)the bony cavity in the skull containing the eyeball;
Synonyms:Â eye socket / cranial orbit / orbital cavity