blue mold

blue mold
noun Date: 1664 any of various fungi (genera Penicillium and Peronospora) that produce blue or blue-green surface growths

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Blue mold — is a downy mildew disease of tobacco that is caused by Peronospora tabacina , a fungus like protist in the family Peronosporaceae. Blue mold can cause severe damage to susceptible tobacco plants in many parts of the world. Since it is an obligate …   Wikipedia

  • Blue mold — Blue Blue (bl[=u]), a. [Compar. {Bluer} (bl[=u] [ e]r); superl. {Bluest}.] [OE. bla, blo, blew, blue, livid, black, fr.[=a]r livid; akin to Dan. blaa blue, Sw. bl[*a], D. blauw, OHG. bl[=a]o, G. blau; but influenced in form by F. bleu,… …   The Collaborative International Dictionary of English

  • blue mold — n any of various fungi of the genus Penicillium that produce blue or blue green surface growths …   Medical dictionary

  • blue mold — blue′ mold′ n. fng mcr any fungus of the genus Penicillium forming a bluish green, furry coating on foodstuffs inoculated by its spores • Etymology: 1655–65 …   From formal English to slang

  • blue mold — n. any of various species of a fungus (genus Penicillium) that produce bluish masses of spores: some species yield penicillin and some are used to ripen certain cheeses …   English World dictionary

  • blue mold — noun 1. : a fungus of the genus Penicillium; especially : a mold that produces blue or blue green surface growths on bread and other foods compare green mold 2. also blue mold rot : a plant disease caused by a blue mold fungus …   Useful english dictionary

  • blue mold — n. mold, blue greenish fungus that forms on foods (such as cheese, bread etc.) …   English contemporary dictionary

  • blue mold — 1. Also called green mold. any fungus of the genus Penicillium, which forms a bluish green, furry coating on foodstuffs inoculated by its spores. 2. Plant Pathol. a. a disease of plants, characterized by necrosis of leaves or fruit and the growth …   Universalium

  • blue mold rot — noun see blue mold 2 …   Useful english dictionary

  • blue mold fungus — noun fungus causing a serious disease in tobacco plants characterized by bluish grey mildew on undersides of leaves • Syn: ↑Peronospora tabacina • Hypernyms: ↑downy mildew, ↑false mildew • Member Holonyms: ↑Peronospora, ↑genus Peronospora …   Useful english dictionary

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