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compass deflection. In DICTIOUS you will not only get to know all the dictionary meanings for the word
compass deflection, but we will also tell you about its etymology, its characteristics and you will know how to say
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English
Noun
compass deflection (plural compass deflections)
- The difference, expressed in degrees, between the direction a magnetic compass needle points and true or astronomical north; magnetic declination.
- Differences, expressed in degrees, between magnetic north directions and the direction a magnetic compass points, owing to local magnetic interferences; magnetic deviation.
References
- United States Bureau of Mines, Dictionary of Mining, Mineral, and Related Terms (1996).