blue mold


Definition of blue mold

: any of various fungi (genera Penicillium and Peronospora) that produce blue or blue-green surface growths

Examples of blue mold in a Sentence

Recent Examples on the Web Blue cheese should also be stored away from other cheeses, because its blue mold has a tendency to travel. Washington Post, 8 Sep. 2021 The 20 or so specimens featured in the Harvard Museum of Natural History’s upcoming Fruits in Decay exhibition suffer from an array of ailments: among others, peach leaf curl, pear scab, gray mold, brown rot, blue mold and fire blight. Meilan Solly, Smithsonian, 29 Aug. 2019 Bleu des Basques is a study in textural variation: an uber rich paste of buttery, lanolin-laced sheep’s milk holds pockets of crunchy, mild, crystalline blue mold. Tia Keenan, Bon Appetit, 24 Apr. 2018 Overlooked things remain: cutlery on the kitchen, a loaf in the bread bin now a cube of blue mold, newspapers and coal under the stairs, calendars on the wall, permanently stalled at May 15, 1940. Andrew Liptak, The Verge, 31 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blue mold.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blue mold

1664, in the meaning defined above

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Time Traveler for blue mold

Time Traveler

The first known use of blue mold was in 1664

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Dictionary Entries Near blue mold

blue metal

blue mold

blue Monday

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Statistics for blue mold

Last Updated

20 Sep 2021

Cite this Entry

“Blue mold.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2021.

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More Definitions for blue mold

blue mold


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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