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“geocentric longitude”
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)