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geodetic line[¦jē·ə¦ded·ik ′līn]
The shortest line between any two points on the surface of the spheroid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The shortest distance between two points on any surface. The shortest distance between two places on earth derived mathematically is called a geodetic line.
The shortest line, on a mathematically derived surface, between two points. Also called geodesic. A geodesic line on the spheroidal earth is called a geodetic line. It is a portion of the great-circle arc. See geodesic.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved