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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Example sentences 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