Geo- is a prefix derived from the Greek word γη or γαια, meaning "earth", usually in the sense of "ground or land”.

GEO or Geo may also refer to:

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Computing and science edit

  • Geo (microformat), a microformat for marking up geographical coordinates in (X)HTML
  • Gene Expression Omnibus, or GEO, a National Center for Biotechnology Information database for gene expression
  • GEO 600, a detector for gravitational radiation
  • Geo URI, an IETF proposed standard for making URIs for physical locations
  • Geosynchronous Equatorial Orbit, an orbit used for satellites that remain at a fixed position above the ground

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See also edit