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firn

American  
[feern] / fɪərn /

noun

  1. névé.


firn British  
/ fɪən /

noun

  1. another name for névé

"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

firn Scientific  
/ fîrn /
  1. Granular, partially consolidated snow that has passed through one summer melt season but is not yet glacial ice. Firn becomes glacial ice once it has become impermeable to liquid water.


Etymology

Origin of firn

1850–55; < German (Swiss), noun use of firn last year's, old; cognate with Old English fyrn former, ancient, Gothic fairneis; akin to Old Norse forn ancient. See before

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

According to Fahnestock, optical observations can be affected by changing lighting conditions, shadows, cloud cover, and variations in whether firn appears clean or dirty.

From Science Daily • Jun. 12, 2026

Ice and firn, or dense snow leftover from previous seasons, also disappeared from the ridge.

From Washington Post • Aug. 18, 2022

Depending on the temperature of the water, snow and firn, the meltwater can refreeze and can create ice lenses.

From Seattle Times • Aug. 5, 2021

Cuffey, K. M. & Steig, E. J. Isotopic diffusion in polar firn: implications for interpretation of seasonal climate parameters in ice-core records, with emphasis on central Greenland.

From Nature • Feb. 4, 2018

Much of the ice on the continent of Antarctica is actually a form of consolidated snow called firn.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

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