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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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51Թ History and Origins
Origin of black arm1
First recorded in 1905–10
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Example Sentences
Examples have not been reviewed.
In 1969, the Warren Court ruled for high school students who wore black arm bands as a protest.
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Manchester United are wearing black arm bands to commemorate the Munich Air Disaster.
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He was known in his time as the “the fighting editor” — a posture that The Planet reflected with a logo depicting a muscular Black arm whose clenched fist radiated lightning bolts.
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Coach Giovanni Saverese wore a black arm band.
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Coach Giovanni Saverese wore a black arm band.
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