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Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Definition of: grid variation

The angle between the magnetic and grid meridian at any place, expressed in degrees east or west to show the variation of the magnetic compass-card axis from grid north. Also called grivation.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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