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Meaning of oak-root rot

oak'-root rot"

Pronunciation: (ōk'rt", -root"), [key]
— Plant Pathol. Plant Pathol.
  1. a disease of oaks and other trees and woody plants, caused by the fungus Amillariella mellea the fruiting body of which is the honey mushroom, and characterized by rotting roots, girdling of crown, and eventual death of the tree. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.