You searched for: “geocentric longitude
geocentric longitude (s) (noun), geocentric longitudes (pl)
The angular distance in degrees that a celestial object lies east or west of Greenwich Meridian, or the meridian passing through Greenwich (Greater London borough on the Thames in England: The geocentric longitude was internationally adopted as the Earth's zero of longitude in 1884.
This entry is located in the following units: centro-, centr-, centri-, kentro- (page 7) geo-, ge- + (page 5) -tude (page 2)