grid variation

  1. the angle, at any point on the surface of the earth, between the magnetic and true meridians passing through that point.

Words Nearby grid variation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for grid variation

grid variation

  1. nautical the angle between grid north and magnetic north at a point on a map or chart: Also called: grivation

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