penicillium

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noun

Any of the blue-green fungi, of the genus Penicillium, that are used in the manufacture of cheeses, and are an important source of antibiotics.

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Meanings

nounpenicillium (plural penicilliums or penicillia)

plural penicilliums · plural penicillia

  1. Any of the blue-green fungi, of the genus Penicillium, that are used in the manufacture of cheeses, and are an important source of antibiotics.

Origin

From the genus name.

Full word history & related roots →
Cite this entry
APA

penicillium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/penicillium

MLA

“penicillium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/penicillium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “penicillium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/penicillium.

Source: penicillium on Wiktionary, CC BY-SA 4.0.