white rot


Definition of white rot

1 : any of several plants (as marsh pennywort and butterwort) formerly held to produce rot in sheep
2a : a disease of grapes caused by an imperfect fungus (Coniothyrium diplodiella) that produces white or grayish brown-bordered spots on young shoots and fruit
b : any of several wood rots of various trees caused chiefly by fungi of the genus Fomes
c : a fungal rot of onions, garlic, shallots, and related plants caused by a fungus (Sclerotinia cepivorum) and characterized by production of abundant white mycelium
3 : a watery spoiled condition of eggs in which the white is mixed with the yolk also : an egg so spoiled

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First Known Use of white rot

1597, in the meaning defined at sense 1

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The first known use of white rot was in 1597

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Cite this Entry

“White rot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20rot. Accessed 13 Aug. 2022.

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