\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.

\Ge`o*cen"tric\, Geocentrical \Ge`o*cen"tric*al\, a.
]
Having, considering, or based on, the earth as center; as,
the geocentric theory of the universe.