Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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global positioning device a navigational device, usu. hand-held or installed in a vehicle, that uses the Global Positioning System, a global satellite positioning system, or other similar means to determine one's exact location.
Global Positioning System a public satellite navigation system designed and controlled by the U.S. Department of Defense that provides an accurate global time reference and is used to determine a precise location on Earth.
global village the world considered as a single community, made so by modern air travel, mass media, and the like.
global warming an increase in global temperatures believed to be caused in part by the greenhouse effect.