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Definition of "oïdium" [oidium]

  • A thin-walled spore produced by fragmentation in certain filamentous fungi. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "oïdium" in a sentence
  • "It is a fact of some interest in agricultural economy, that the oidium, which is so destructive to the grape, has produced no pecuniary loss to the proprietors of the vineyards in France."
  • "Read More Drinking Now: Synchronicity Its downfall came in the form of two fungal diseases that ripped through the vineyards—first oidium, which at the height of its powers, effects grape ripening; followed by phylloxera, a root-feeding aphid that destroys vines."
  • ""Powdery mildew" (oidium) has been controlled primarily with sulfites."