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• Buys-Ballot's law
  Buys-Ballot's law

  noun

  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.
• Buys Ballot's law
  Buys Ballot's law

  noun

  a law stating that if an observer stands with his back to the wind in the N hemisphere, atmospheric pressure is lower on his left, and vice versa in the S hemisphere

Buys-Ballot's law

American  

[bahys-buh-lots] / ˈbaɪs bəˈlɒts /

noun

Meteorology.

1. 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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Buys Ballot's law British  

/ bɔɪs, baɪs bəˈlɒts /

noun

1. a law stating that if an observer stands with his back to the wind in the N hemisphere, atmospheric pressure is lower on his left, and vice versa in the S hemisphere

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Etymology

Origin of Buys-Ballot's law

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