catflap.org Online Dictionary Query

  Geocentric \Ge`o*cen"tric\, Geocentrical \Ge`o*cen"tric*al\, a.
     [Gr. ge`a, gh^, the earth + ke`ntron center: cf. F.
     g['e]ocentrique.] (Astron.)
     (a) Having, considering, or based on, the earth as center;
         as, the geocentric theory of the universe; in relation to
         or seen from the earth, -- usually opposed to
         heliocentric, as seen from the sun; as, the geocentric
         longitude or latitude of a planet.
         [1913 Webster + Webster 1913 Suppl.]
  
     Geocentric latitude (of place) the angle included between
        the radius of the earth through the place and the plane of
        the equator, in distinction from geographic latitude. It
        is a little less than the geographic latitude.
        [1913 Webster]

  Geocentric \Ge`o*cen"tric\, Geocentrical \Ge`o*cen"tric*al\, a.
     [Gr. ge`a, gh^, the earth + ke`ntron center: cf. F.
     g['e]ocentrique.] (Astron.)
     (a) Having reference to the earth as center; in relation to
         or seen from the earth, -- usually opposed to
         heliocentric, as seen from the sun; as, the geocentric
         longitude or latitude of a planet.
     (b) Having reference to the center of the earth.
  
     Geocentric latitude (of place) the angle included between
        the radius of the earth through the place and the plane of
        the equator, in distinction from geographic latitude. It
        is a little less than the geographic latitude.