magnetic variation
Britishnoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Hailey’s isogonic map of magnetic variation, published in 1701.
From "The Invention of Science" by David Wootton
Each line on the map is like a contour line but, instead of marking a uniform measurement of height, it marks a uniform measurement of magnetic variation.
From "The Invention of Science" by David Wootton
Hailey had conducted two expeditions to make the measurements on which the map was based, and the hope was that this would open the way to using magnetic variation to measure longitude.
From "The Invention of Science" by David Wootton
And there's no knowing what compass correction to allow for a pocket compass, and there's the magnetic variation besides.
From The Boy With the U.S. Miners by Rolt-Wheeler, Francis
Latitude, 10° 22' 55" south; longitude, 74° 49' west of Greenwich; magnetic variation, 9° 7' 30" east; elevation above sea-level, 700 feet; distance from the Atlantic, 3167 miles; current, 3-1/2 miles per hour.
From Life of Rear Admiral John Randolph Tucker by Rochelle, James Henry
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
