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(Biology) an organism, esp an alga or moss, that grows on snow or ice
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. any plant that grows on ice or snow, as certain algae, mosses, fungi, and bacteria.
2. any low-growing plant of the genus Cryophytum, certain species of which form extensive mats along coastal lands.
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