loose smut

Definitions of loose smut
  1. noun
    a smut fungus of the genus Ustilago causing a smut disease of grains in which the entire head is transformed into a dusty mass of spores
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    type of:
    smut, smut fungus
    any fungus of the order Ustilaginales
  2. noun
    disease of grains; the entire head is a dusty mass of spores
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    type of:
    smut
    destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores
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