GRIVATION


Meaning of GRIVATION in English

grə̇ˈvāshən, grīˈv- noun

( -s )

Etymology: gri d v ari ation

: the angle between north as indicated by a grid on a map and magnetic north at any point — used especially in aerial navigation

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.