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Buys-Ballot's law

[bahys-buh-lots]

noun Meteorology.

the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.

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Origin of Buys-Ballot's law

named after C. H. D. Buys-Ballot (1817–90), Dutch meteorologist

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019