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A long-range navigational system in which position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position.

[lo(ng-)ra(nge) n(avigation).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Navigation) a radio navigation system operating over long distances. Synchronized pulses are transmitted from widely spaced radio stations to aircraft or shipping, the time of arrival of the pulses being used to determine position
[C20: lo(ng-)ra(nge) n(avigation)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈlɔr æn, ˈloʊr-)

(sometimes cap.) a navigational system for locating one's position by determining the time displacement between radio signals from two known stations.
[1940–45, Amer.; lo(ng)ra(nge)n(avigation)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A long-range radio navigation position fixing system using the time difference of reception of pulse type transmissions from two or more fixed stations. This term is derived from the words long-range electronic navigation.
Dictionary of Military and Associated Terms. US Department of Defense 2005.