Buys-Ballot's law

[ bahys-buh-lots ]

/ ˈbaɪs bəˈlɒts /

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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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His boss, whom he admires, is waiting to meet with him about the big project.

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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. 2023

How to use Buys-Ballot's law in a sentence

Unless there is a court decision that changes our law, we are OK.
Jeb Bush’s Unseen Anti-Gay Marriage Emails|Jackie Kucinich|January 9, 2015|DAILY BEAST
Submission is set in a France seven years from now that is dominated by a Muslim president intent on imposing Islamic law.
Houellebecq’s Incendiary Novel Imagines France With a Muslim President|Pierre Assouline|January 9, 2015|DAILY BEAST
However, more than 20 players on the ballot this year were probably worthy of being enshrined in Cooperstown.
Conservative Curt Says His Politics, Not His Pitching, Kept Him Out of the Hall of Fame|Ben Jacobs|January 9, 2015|DAILY BEAST
A few days later, Bush replied, “We will uphold the law in Florida.”
Jeb Bush’s Unseen Anti-Gay Marriage Emails|Jackie Kucinich|January 9, 2015|DAILY BEAST

To those who agreed with him, Bush pledged that the law against same-sex marriage would remain intact.
Jeb Bush’s Unseen Anti-Gay Marriage Emails|Jackie Kucinich|January 9, 2015|DAILY BEAST
We should have to admit that the new law does little or nothing to relieve such a situation.
Readings in Money and Banking|Chester Arthur Phillips
He that seeketh the law, shall be filled with it: and he that dealeth deceitfully, shall meet with a stumblingblock therein.
The Bible, Douay-Rheims Version|Various
To Harrison and his wife there was no distinction between the executive and judicial branches of the law.
The Bondboy|George W. (George Washington) Ogden
Now this setting up of an orderly law-abiding self seems to me to imply that there are impulses which make for order.
Children's Ways|James Sully
These schools became affiliated Universities, but never equalled the Law University in importance.
The Mediaeval Mind (Volume II of II)|Henry Osborn Taylor

British Dictionary definitions for Buys-Ballot's law

Buys Ballot's law

/ (baɪs bəˈlɒts, bɔɪs) /

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

Word Origin for Buys Ballot's law

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012