up·​well | \ ˌəp-ˈwel How to pronounce upwell (audio) \
upwelled; upwelling; upwells

Definition of upwell

intransitive verb

: to well up specifically : to move or flow upward

Examples of upwell in a Sentence

Recent Examples on the Web

For instance, the deep water that upwells to the surface at a polynya can sometimes contain rich stores of carbon that have been sitting at the bottom of the ocean for hundreds or even thousands of years. Chelsea Harvey, Scientific American, "Storms, Salty Water Caused Mystery Hole in Antarctic Sea Ice," 11 June 2019 As the current moves toward Antarctica, upwelling pushes cold water back to the surface, pushing the watery conveyer belt around the world. Sarah Gibbens, National Geographic, "The Atlantic Ocean, explained," 18 Mar. 2019 According to Steig, the Pacific is already experiencing some changes that may be driving recent increases in warm water upwelling around Antarctica. Chelsea Harvey, Scientific American, "Why Are Glaciers Melting from the Bottom? It’s Complicated," 12 Apr. 2018 Where these waves of upwelling energy come from, researchers still don't know for sure. Jay Bennett, Popular Mechanics, "Scientists Reveal Mysteries on the Night Side of Venus," 15 Sep. 2017 In addition, upwelling currents brought even more nutrients up from the depths, resulting in great patches of krill and fish (whale prey) gorging on them, notes the Atlantic. Arden Dier, Fox News, "A new theory on why whales got so big," 25 May 2017 Perceptive anglers will see areas where fast-moving water is upwelling from a shelf, and can focus there to put fish in the boat. Todd Masson, NOLA.com, "Anglers can use all this wind to their advantage," 22 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'upwell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of upwell

1885, in the meaning defined above

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Dictionary Entries near upwell

upward spiral







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Last Updated

22 Jul 2019

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Time Traveler for upwell

The first known use of upwell was in 1885

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