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black arm
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noun Plant Pathology.
a type or phase of bacterial blight of cotton, characterized by black, elongated lesions on the stem and branches, caused by a bacterium, Xanthomonas malvacearum.
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Origin of black arm
First recorded in 1905–10
Words nearby black arm
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023