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white rust

noun
1.
Plant Pathology. a disease of plants, characterized by pustules of white spores on affected parts that become yellow and malformed, caused by fungi of the genus Albugo.
2.
any fungus of the genus Albugo.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for white rust
  • white rust or other staining could become a marketing deterrent as builders react to a more informed consumer.

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11
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