bread mold
noun
: any of various molds found especially on bread
especially
: a rhizopus (Rhizopus stolonifer synonym R. nigricans)
Examples of bread mold in a Sentence
Recent Examples on the Web
Penicillin was found on accident from a common bread mold.
—
Irene Wright, Miami Herald, 22 Aug. 2025
The researchers grew mycelium from the fungus Neurospora crassa, commonly known as red bread mold, into a dense, scaffold-like structure.
—Margherita Bassi, Smithsonian Magazine, 24 Apr. 2025
By the end of the day the bread mold has germinated.
—Emily Monosson, Time, 11 July 2023
Blackley tested ancient bread molds and beer jugs in the collections of the Peabody Museum and at the MFA.
—Hiawatha Bray, BostonGlobe.com, 8 Aug. 2019
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Irene Wright, Miami Herald, 22 Aug. 2025
The researchers grew mycelium from the fungus Neurospora crassa, commonly known as red bread mold, into a dense, scaffold-like structure.
—Margherita Bassi, Smithsonian Magazine, 24 Apr. 2025
By the end of the day the bread mold has germinated.
—Emily Monosson, Time, 11 July 2023
Blackley tested ancient bread molds and beer jugs in the collections of the Peabody Museum and at the MFA.
—Hiawatha Bray, BostonGlobe.com, 8 Aug. 2019
Cite this Entry
“Bread mold.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bread%20mold. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
bread mold
noun
: any of various molds found especially on bread
especially
: one of the genus Rhizopus (R. nigricans)
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