North Atlantic Oscillation

noun

Definition of North Atlantic Oscillation

climatology
: a periodic seesaw fluctuation in sea-level atmospheric pressures over the northern Atlantic Ocean that is believed to contribute to the Arctic Oscillation — compare arctic oscillation, southern oscillation

First Known Use of North Atlantic Oscillation

1924, in the meaning defined above

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The first known use of North Atlantic Oscillation was in 1924

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Dictionary Entries Near North Atlantic Oscillation

North Arabic

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Cite this Entry

“North Atlantic Oscillation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/North%20Atlantic%20Oscillation. Accessed 1 Aug. 2021.

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