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.
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 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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Hailey’s isogonic map of magnetic variation, published in 1701.
From "The Invention of Science" by David Wootton
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The latitude, chronometric differences of longitude, and magnetic variation, were determined on shore at this southern point.
From Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836 Volume I. - Proceedings of the First Expedition, 1826-1830 by Robert Fitzroy
Spanish navigators affirm that on these coasts the magnetic variation differs extremely from that observed at sea.
From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Thomasina Ross
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.