Dictionary

blue mold

noun

Definition of BLUE MOLD

:  any of various fungi (genera Penicillium and Peronospora) that produce blue or blue-green surface growths
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First Known Use of BLUE MOLD

1664
Medical Dictionary

blue mold

noun

Medical Definition of BLUE MOLD

:  any of various fungi of the genus Penicillium that produce blue or blue-green surface growths

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