longitude Hear it!

longitude definition

lon·gi·tude (län′jə to̵̅o̅d′, -tyo̵̅o̅d′; lôn′-)

noun

  1. length
  2. distance east or west on the earth's surface, measured as an arc of the equator (in degrees up to 180° or by the difference in time) between the meridian passing through a particular place and a standard or prime meridian, usually the one passing through Greenwich, England
  3. Astron.

Etymology: ME < L longitudo < longus, long

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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