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corn smut

noun

  1. 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

  1. an ascomycetous parasitic fungus, Ustilago zeae, that causes gall-like deformations on maize grain
  2. 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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