pruinose

[ proo-uh-nohs ]
/ ˈpru əˌnoʊs /

adjective Botany, Zoology.

covered with a frostlike bloom or powdery secretion, as a plant surface.

Origin of pruinose

1820–30; < Latin pruīnōsus frosty, equivalent to pruīn(a) frost (akin to freeze) + -ōsus -ose1
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British Dictionary definitions for pruinose

pruinose
/ (ˈpruːɪˌnəʊs, -ˌnəʊz) /

adjective

botany coated with a powdery or waxy bloom

Word Origin for pruinose

C19: from Latin pruīnōsus frost-covered, from pruīna hoarfrost
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