Dictionarydry' rot'1. Plant Pathol. a. a decay of seasoned timber, resulting in its becoming brittle and crumbling to a dry powder, caused by various fungi. b. any of various diseases of plants in which the rotted tissues are dry. 2. any concealed or unsuspected inner decay. dry-rotPronunciation: (drī'rot"), [key] —v.i., v.t., -rot•ted, -rot•ting. to undergo or cause to undergo the action or effects of dry rot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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