dry rot
1 Americannoun
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Plant Pathology.
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a decay of seasoned timber, resulting in its becoming brittle and crumbling to a dry powder, caused by various fungi.
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any of various diseases of plants in which the rotted tissues are dry.
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any concealed or unsuspected inner decay.
verb (used with or without object)
noun
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crumbling and drying of timber, bulbs, potatoes, or fruit, caused by saprotrophic basidiomycetous fungi
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any fungus causing this decay, esp of the genus Merulius
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moral degeneration or corrupt practices, esp when previously unsuspected
Etymology
Origin of dry rot1
First recorded in 1785–95
Origin of dry-rot2
First recorded in 1865–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But BBC News has reported on many cases over the last year where work done was of such poor quality it has led to damp, black mould and, in some cases, dry rot.
From BBC
Not far from where she sits, large growths of dry rot fungus are feeding off the floorboards.
From BBC
The wood had badly deteriorated: There was dry rot, termites and water damage.
From Los Angeles Times
Periodically, it has called out for reroofing, repair of dry rot, replacement of aging siding and a new coat of paint.
From Seattle Times
Building inspectors later found that the wooden supports holding up the balcony had been eaten away by dry rot, even though the structure was less than 10 years old.
From New York Times
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.
