definitions

blue mould

noun

Also called: green mould any fungus of the genus Penicillium that forms a bluish mass on decaying food, leather, etc
any fungal disease of fruit trees characterized by necrosis and a bluish growth on the affected tissue: mostly caused by Penicillium species

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Nearby words

blue merle, blue mockingbird, blue mold, blue monday, blue moon, blue mould, blue mountains, blue mud, blue murder, blue myrtle, blue nevus
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

Examples from the Web for blue mould

  • They kept him in a dark place, like a cheese, until he had the full Tellson flavour and blue-mould upon him.

    A Tale of Two Cities|Charles Dickens