from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Relating to, measured from, or with respect to the center of the earth.
  • adj. Having the earth as a center.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having the Earth at the center. Usually in reference to the Solar System.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having, considering, or based on, the earth as center; ; in relation to or seen from the earth, -- usually opposed to heliocentric, as seen from the sun.

from The Century Dictionary and Cyclopedia

  • In astronomy, having reference to the earth for its center; in relation to the earth as a center; hence, seen from the earth: a term applied to the place of a planet as it would be seen from the center of the earth, in opposition to its heliocentric place as conceived to be seen from the center of the sun.
  • n. An adherent of the theory that the earth is the center of the universe.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having the earth as the center


from Wiktionary, Creative Commons Attribution/Share-Alike License

From geo- +‎ centric.



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  • "After decades of research, behavioral biologists have begun to figure out how (ants find a feeding site and then return home). Studies show that ants use a combination of geocentric and egocentric techniques. Geocentric navigation (also called allocentric or exocentric) relies on external environmental cues such as landmarks and any available map information." by Peter Morville in his book Abient Findability

    January 3, 2007

  • From Wikipedia ( "Geocentric coordinates are an Earth-centered system of locating objects in the solar system in three-dimensions along the Cartesian X, Y and Z axes. They are differentiated from topocentric coordinates which use the observer's location as the reference point for bearings in altitude and azimuth. Both systems, however, share a common difficulty in that the Earth is constantly moving, which requires the addition of a time component to fix objects."

    January 3, 2007