
covered with a powdery, waxy material; with a bloom.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

with a frosty surface; having a thick, waxy, powdery coating
Found on
http://florabase.dpaw.wa.gov.au/help/glossary

a surface frosted with white
Found on
http://orchidfetish.com/glossary.html

having a frosted look; bearing whitish dust
Found on
http://phrontistery.info/p.html

• (a.) Frosty; covered with fine scales, hairs, dust, bloom, or the like, so as to give the appearance of frost.
Found on
http://thinkexist.com/dictionary/meaning/pruinose/

Having a whitish, waxy, powdery bloom on the surface. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

With a heavy, waxy coating.
Found on
http://www.encyclo.co.uk/local/22034
Pru'i·nose` adjective [ Latin
pruinosus , from
pruina hoarfrost.] Frosty; covered with fine scales, hairs, dust, bloom, or the like, so as to give the appearance of frost.
Found on
http://www.encyclo.co.uk/webster/P/185

a surface frosted with white
Found on
http://www.orchidspecies.com/glossary.htm

covered with a frostlike bloom or powdery secretion, as a plant surface.
Found on
https://www.infoplease.com/dictionary/pruinose
No exact match found.