from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various fungi of the genus Botrytis responsible for numerous diseases of fruits and vegetables.
  • n. Noble rot.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The fungus Botrytis cinerea that is responsible for the formation of noble rot

from The Century Dictionary and Cyclopedia

  • n. A large genus of mucedinous fungi, usually growing upon dead wood and leaves, characterized by the somewhat dendroid mode of branching of the fertile hyphæ, which bear simple spores more or less grouped near the tips.


New Latin, genus name, from Greek botrus, bunch of grapes.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • The moist conditions have caused a fungus called botrytis to grow on grapes.

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  • The winery's location between the Garonne and Ciron rivers provides the perfect blend of moist and dry climate conditions that produce a grape fungus called botrytis, which causes the "noble rot" necessary to produce the sweet wines. - News

  • But in some areas of the Loire where the formation of botrytis is much more rare (such as the region of Coteaux du Layon where the famous estate of Moulin Touchais happens to be located), or in certain vintages where botrytis does not readily form, despite the long growing season and superb autumn weather, these sweeter-styled chenin wines can attain their sweetness and concentration from a period of dehydration of the grapes on the vine that the French call “passerillage”.

    Natural wines, premox, chenin blanc, 07 Port and Rhone – John Gilman | Dr Vino's wine blog

  • In 2008, for example, his pinot in the Russian River Valley suffered from a rot known as botrytis cinerea.

    Wine: A 'Sideways' look at pinot noir

  • Some, like Dolce, also involve allowing a particular kind of mold, known as botrytis, to develop. stories: News

  • Often these wines will have a fair degree of botrytis in the wines, which chenin blanc takes very nicely to and produces superb sweet-styled wines with this glaze of noble rot.

    Natural wines, premox, chenin blanc, 07 Port and Rhone – John Gilman | Dr Vino's wine blog

  • Finally, 1996 Crawford River Riesling Henty was picked late, in May, and has “essentially no botrytis” according to the producer.

    Australian Riesling – Can it age? – Grosset, Steingarten and Leo Buring | Dr Vino's wine blog

  • The finish is medium-length and very honeyed, which says to me that some of the crop was afflicted with botrytis.

    Lenn Thompson

  • The botrytis just plain kissed these grapes, providing a sweetness of such depth and luxury that I wanted to demand another glass.

    The New York Cork Report:

  • The blend of predominantly Semillon and Sauvignon Blanc, affected by botrytis and aged in oak barrels, creates flavors of lemon, gingerbread, caramel, spice and, in some cases, an inviting creaminess.

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