blue mold

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
3. : a serious fungous disease of tobacco seedlings caused by a fungus (Peronospora tabacina) and characterized by yellowish spots and a bluish gray mildew on the underside of the leaves — called also downy mildew

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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 of bluish or grayish mold on affected parts, caused by any of several fungi, as of the genus Penicillium or Peronospora tabacina.
b. See downy mildew (def. 2).
[1655-65]

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blue mold,
any one of various bluish or greenish molds, usually of the same genus as that which yields penicillin. Bluish molds occur on bread and greenish molds in cheese.

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n. a bluish fungus that grows on food. Blue molds are deliberately introduced into some cheeses, and some kinds are used to produce antibiotics such as penicillin. Penicillium and other genera, phylum Ascomycota

Useful english dictionary. 2012.

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  • 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. Icel.bl[=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 rot — noun see blue mold 2 …   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 — noun Date: 1664 any of various fungi (genera Penicillium and Peronospora) that produce blue or blue green surface growths …   New Collegiate 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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