GEO

'GEO' or 'Geo' may refer to any of the following:

★ Geo or gio, is a creek (inlet) or gulley in the Orkney and Shetland Islands

★ ''GEO'' (newspaper), a popular scientific magazine

★ Geo (microformat), a microformat for marking up WSG84 geographical coordinates in (X)HTML

★ Geo (automobile), a brand of entry-level cars from General Motors

★ Geo (marketing), a discipline within marketing analysis

★ GEO 600, a detector for gravitational radiation

★ Geo TV, a private television channel in Pakistan

★ Global Environment Outlook, an environmental assessment produced by the United Nations

★ ''Grupo Especial de Operaciones'', a division of the Spanish police

★ Gene Expression Omnibus, a scientific database for microarray data provided by the NCBI

★ General Education Officer, the basic rank of teachers of the Ministry of Education in Singapore

★ Genetically engineered organism, also known as genetically modified organism, an organism whose genetic material has been altered

★ GEO, the IATA code for Cheddi Jagan International Airport

★ Estadio Casas GEO, stadium in Mexicali, Mexico

★ Geo, the Korean manhwa artist.
'Geo.' is sometimes an abbreviation of the name George.

★ Geo Stelar is the main protagonist in Mega Man Star Force.
As a prefix, 'geo-' is taken from the Greek word γη or γαια meaning "earth", usually in the sense of "ground or land". ''Geo-'' is thus a prefix for many words dealing in some way with the earth, including:

★ Geocaching, an outdoor activity that involves using navigational techniques to finds geocaches

★ Geocentric, a model of the universe that places the earth at its centre

★ Geocoding, encoding coordinates in to features, images, web ages and other data records

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★ See also Geotagging

★ Geodesy, also known as geodetics, the study of the measurement and representation of the earth

★ Geo-exchange, a heating and cooling system

★ Geography, the study of the Earth and its features

★ Geolocation, the science of determining the real-world location of a website or website visitor

★ Geology, the study of the Earth's structure

★ Geometry, the study of spatial relationships

★ Geopolitics, the analysis of history, geography and social science with respect to international politics

★ Geostationary orbit, a circular orbit directly above the earth's equator

★ Geosynchronous orbit, an orbit that has the same period as the Earth's sidereal rotation

★ Geothermal (geology), heat sources from within the Earth