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

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, "These 5 Cheese Plates Are Perfect, So Copy Them Exactly," 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, "Read an excerpt from Luna author Ian McDonald’s heartbreaking new time-travel romance," 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.

First Known Use of blue mold

1664, in the meaning defined above

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Time Traveler for blue mold

The first known use of blue mold was in 1664

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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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