North Atlantic Oscillation

noun

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

Examples of North Atlantic Oscillation in a Sentence

Recent Examples on the Web Their study found that over periods less than 10 years, changes in ice cover seem to be related to natural climatic patterns: the Atlantic and North Atlantic Oscillation, and El Niño/La Niña cycles. Tom Yulsman, Discover Magazine, 11 Jan. 2014

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'North Atlantic Oscillation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of North Atlantic Oscillation was in 1924

Dictionary Entries Near North Atlantic Oscillation

Cite this Entry

“North Atlantic Oscillation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/North%20Atlantic%20Oscillation. Accessed 22 Apr. 2024.

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