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polar vortex

[ poh-ler vawr-teks ]
/ ˈpoʊ lər ˈvɔr tɛks /
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noun

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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The rainy weather could not ________ my elated spirits on my graduation day.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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