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[jee-uh-des-ik, -dee-sik] /ˌdʒi əˈdɛs ɪk, -ˈdi sɪk/
Also, geodesical. pertaining to the geometry of curved surfaces, in which geodesic lines take the place of the straight lines of plane geometry.
Origin of geodesic
From the French word géodésique, dating back to 1815-25. See geodesy, -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for geodesic


/ˌdʒiːəʊˈdɛsɪk; -ˈdiː-/
Also geodetic, geodesical. relating to or involving the geometry of curved surfaces
Also called geodesic line. the shortest line between two points on a curved or plane surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for geodesic

1821, from geodesy "surveying" + -ic. Alternative adjective form geodetic is from 1834; geodetical is from c.1600. Geodesic dome attested from 1953.

Online Etymology Dictionary, © 2010 Douglas Harper
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geodesic in Science
  (jē'ə-děs'ĭk, -dē'sĭk)   
Noun  A curve that locally minimizes the distance between two points on any mathematically defined space, such as a curved manifold. Equivalently, it is a path of minimal curvature. In noncurved three-dimensional space, the geodesic is a straight line. In General Relativity, the trajectory of a body with negligible mass on which only gravitational forces are acting (i.e. a free falling body) is a geodesic in (curved) 4-dimensional space-time.

Adjective  Of or relating to the branch of geometry that deals with geodesics.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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