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polynya

[ puh-lin-yuh ]

noun

  1. an area of unfrozen sea water surrounded by ice.


polynya

/ ˈpɒlənˌjɑː /

noun

  1. a stretch of open water surrounded by ice, esp near the mouths of large rivers, in arctic seas
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


polynya

/ pŏl′ən-yä,pə-lĭn /

  1. An area of open water surrounded by sea ice. A polynya can be formed by the presence of a heat source that keeps the area from freezing. A more complex process involves wind or ocean currents that carry ice away from the polynya, constantly exposing more ocean water to ice formation and resulting in the release of very salty, dense water that sinks to become part of a halocline .


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Word History and Origins

Origin of polynya1

1850–55; < Russian polyn'yá, Old Russian polynĭi equivalent to pol ( ŭ ) empty, open + -ynĭi noun suffix
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Word History and Origins

Origin of polynya1

C19: from Russian, from poly open, hollowed-out

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