blue mold

  • 1Blue 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

  • 2Blue 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

  • 3blue mold — n any of various fungi of the genus Penicillium that produce blue or blue green surface growths …

    Medical dictionary

  • 4blue 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

  • 5blue 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

  • 6blue 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

  • 7blue mold rot — noun see blue mold 2 …

    Useful english dictionary

  • 8blue mold — n. mold, blue greenish fungus that forms on foods (such as cheese, bread etc.) …

    English contemporary dictionary

  • 9blue 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

  • 10blue mold — noun Date: 1664 any of various fungi (genera Penicillium and Peronospora) that produce blue or blue green surface growths …

    New Collegiate Dictionary