Buys Ballot's law
Definition of Buys Ballot's law
: a law in meteorology: when an observer'sback is to the wind the lower barometric pressure is to the observer's left in the northern hemisphere and to the observer's right in the southern hemisphere owing to rotation of the earth
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Origin and Etymology of buys ballot's law
after C.H.D. Buys Ballot †1890 Dutch meteorologist
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