Definition of blue mould in English:

blue mould

noun

  • A bluish fungus which grows on food, some kinds of which are used to produce blue cheeses or antibiotics such as penicillin.

    • ‘Like the blue mold that turns the Amish milk into cheese, his addition as general manager has turned the co-op into a going operation.’
    • ‘The actor in this drama is Penicillium expansum, otherwise known as blue mold.’
    • ‘It must be given proper time to let the blue mold form and grow, giving it that extra-added flavor you just won't find in other dairy products.’
    • ‘The combination of its double-cream softness and the tanginess of the blue mould may have been accidental, but it is world-class.’
    • ‘If one orange was attacked by blue mold, the tissue would help keep it from spreading to others in the pack.’