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corn smut
noun
- a disease of corn caused by a fungus, Ustilago maydis, and characterized by blackish, powdery masses of spores on the affected parts of the plant.
corn smut
noun
- an ascomycetous parasitic fungus, Ustilago zeae, that causes gall-like deformations on maize grain
- the condition produced by this fungus
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Word History and Origins
Origin of corn smut1
First recorded in 1880–85
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