Buys-Ballot's law(redirected from Buys-Ballot's Laws)
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Buys-Ballot's law[′bīz bə′läts ‚lȯ]
A law describing the relationship of the horizontal wind direction in the atmosphere to the pressure distribution: if one stands with one's back to the wind, the pressure to the left is lower than to the right in the Northern Hemisphere; in the Southern Hemisphere the relation is reversed. Also known as baric wind law.