Southern Oscillation

noun

climatology
: a periodic seesaw fluctuation in sea-level atmospheric pressures over the southern Pacific and Indian oceans that is believed to be linked to El Niño and La Niña events compare arctic oscillation, north atlantic oscillation

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of Southern Oscillation was in 1923

Dictionary Entries Near Southern Oscillation

Cite this Entry

“Southern Oscillation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Southern%20Oscillation. Accessed 29 Jan. 2023.

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