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polar vortex
[ poh-ler vawr-teks ]
/ ˈpoʊ lər ˈvɔr tɛks /
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noun plural po·lar vor·ti·ces [poh-ler vawr-tuh-seez] /ˈpoʊ lər ˈvɔr təˌsiz/ po·lar vor·tex·es
a whirling mass of very cold air that sits over the North or South Pole: A displaced polar vortex is causing Arctic temperatures across the United States.
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Origin of polar vortex
First recorded in 1910–15
Words nearby polar vortex
polar orbit, polar outbreak, Polar Regions, polar sequence, polar stratospheric cloud, polar vortex, polar wander, Polatsk, polder, pole, poleax
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023