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
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’s isogonic map of magnetic variation, published in 1701.
From "The Invention of Science" by David Wootton
The magnetic variation for the year 1910 was about l5 1/2° West of North, and it is moving nearer to true North at the rate of about seven minutes per annum.
From The Sewerage of Sea Coast Towns by Adams, Henry C.
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.
