longitude• The time signals must originate from places of known latitude and longitude.• The town is at longitude 21° east.• In the course of their struggle to find longitude, scientists struck upon other discoveries that changed their view of the universe.• Perhaps there was a way to read longitude in the relative positions of the celestial bodies.
Originlongitude
(1300-1400)Latinlongitudo“length”, from longus“long”