British Dictionary definitions for firn
another name for névé (def. 1)
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
Scientific definitions for firn
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.
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