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
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. 2012