angle of declination

1
: the angle made by a descending line or plane with a horizontal plane
2
: the angle between the direction indicated by a magnetic needle and the true meridian

called also magnetic declination

Word History

First Known Use

1733, in the meaning defined at sense 1

Time Traveler
The first known use of angle of declination was in 1733

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Dictionary Entries Near angle of declination

Cite this Entry

“Angle of declination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angle%20of%20declination. Accessed 15 Jul. 2024.

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