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 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
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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
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Hailey’s isogonic map of magnetic variation, published in 1701.
From "The Invention of Science" by David Wootton
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Latitude, 6° 4' 45" south; longitude, 75° 1' west of Greenwich; magnetic variation, 7° 22' 10" east; thermometer, 79°; elevation above sea-level, 377 feet; distance from the Atlantic, 2482 miles; current, 3 miles per hour.
From Life of Rear Admiral John Randolph Tucker by Rochelle, James Henry
They crossed the line of no magnetic variation, and when the needle of the compass began to change its usual direction, they were sure it was bewitched.
From A Brief History of the United States by McMaster, John Bach
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.