polynya

noun

po·​lyn·​ya ˌpä-lən-ˈyä How to pronounce polynya (audio)
plural polynyas also polynyi ˌpä-lən-ˈyē How to pronounce polynya (audio)
: an area of open water in sea ice

Examples of polynya in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Maud Rise polynya opens up The dramatic loss of sea ice around Antarctica has occurred with the re-emergence of the Maud Rise polynya in the Weddell Sea – a huge hole in the sea ice nearly four times the size of Wales, which hadn’t occurred since the 1970s, the study reports. Doyle Rice, USA Today, 3 July 2025 It was discovered about a decade ago that this meltwater was providing iron-rich water to the polynya. Allison Chinchar, CNN, 7 May 2022 The Weddell polynya, however, formed much farther from shore. Ainslie Cruickshank, Smithsonian Magazine, 2 Mar. 2021 Researchers at the University of Toronto-Mississauga found the polynya formed on May 14, 2020. Jordan Mendoza, USA TODAY, 15 May 2020 Records show that the 2016 polynya originally formed at the same time a storm swept through the region. Chelsea Harvey, Scientific American, 11 June 2019 Since breaking off, both icebergs have moved into an area called a polynya or polynia, where an expanse of open water is surrounded by sea-ice. Smriti Rao, Discover Magazine, 26 Feb. 2010

Word History

Etymology

Russian polyn'ya

First Known Use

1852, in the meaning defined above

Time Traveler
The first known use of polynya was in 1852

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Cite this Entry

“Polynya.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polynya. Accessed 13 Sep. 2025.

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