From Wikipedia, the free encyclopedia

GEO or Geo may refer to any of the following:

• GEO (magazine), 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
• Geo or gio, is a creek (inlet) or gulley in the Orkney and Shetland Islands
• Estadio Casas GEO, stadium in Mexicali, Mexico

As a prefix , geo- is taken from the Greek word ge meaning "earth" 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
• Geodesy, also known as geodetics, the study of the measurement and representation of the earth
• 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

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.