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white rot

American  

noun

  1. a decay of wood caused by lignase-producing fungi, especially Phanerochaete chrysosporium.

  2. a fungal disease of onions and related plants caused by Sclerotinia cepivorum.

  3. any of the several fungi causing white rot.

Etymology

Origin of white rot

First recorded in 1905–10

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.