grivation

noun
gri·​va·​tion | \ grə̇ˈvāshən, grīˈv-\
plural -s

Definition of grivation

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

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History and Etymology for grivation

grid variation

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Dictionary Entries near grivation

grits

grittle

gritty

grivation

grivet

grivois

grivoiserie

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to gather or build up little by little

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