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Definition of red rot in English: red rotnoun ˌrɛd ˈrɒt 1English regional (originally northern). The plant sundew, Drosera rotundifolia (formerly believed to cause liver rot in sheep). Compare "rot-grass". Now historical. 2Any of various plant diseases characterized by reddish discoloration of the tissues, especially of the stem; (in later use) especially a disease of sugar cane caused by the fungus Glomerella tucumanensis. 3Fungal decay of trees or timber, especially softwoods, in which there is reddish discoloration of the wood, particularly in the early stages; an instance of this. 4A form of deterioration of leather, especially leather bookbindings, in which the surface disintegrates into a reddish powder.
Origin Late 16th century; earliest use found in John Gerard (c1545–1612), herbalist. From red + rot. Definition of red rot in US English: red rotnounˌrɛd ˈrɒt 1English regional (originally northern). The plant sundew, Drosera rotundifolia (formerly believed to cause liver rot in sheep). Compare "rot-grass". Now historical. 2Any of various plant diseases characterized by reddish discoloration of the tissues, especially of the stem; (in later use) especially a disease of sugar cane caused by the fungus Glomerella tucumanensis. 3Fungal decay of trees or timber, especially softwoods, in which there is reddish discoloration of the wood, particularly in the early stages; an instance of this. 4A form of deterioration of leather, especially leather bookbindings, in which the surface disintegrates into a reddish powder.
Origin Late 16th century; earliest use found in John Gerard (c1545–1612), herbalist. From red + rot. |