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black arm
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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Word History and Origins
Origin of black arm1
First recorded in 1905–10
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Example Sentences
Down below, Nab runs out a bare black arm into the sea, which even in the calmest weather angrily foams along the windward side.
From Project Gutenberg
Look, there comes one of them in from the end of a long black arm that pushes out like a bowsprit over the gulf!
From Project Gutenberg
"You don't really mean that, Dik," Alec Diger clamped a heavy black arm across his shoulders.
From Project Gutenberg
She set her strong white teeth in his black arm; but with a brutal gesture he flung her light weight from him.
From Project Gutenberg
A black arm was suddenly silhouetted across the shoulders of a white blouse, whose wearer received a reassuring hug.
From Project Gutenberg
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