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tobacco mosaic

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noun Plant Pathology.
  1. a disease of the nightshade family of plants, particularly tobacco and tomato, caused by the tobacco mosaic virus and characterized by mottled leaves and yellowed, necrotic plants.
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Origin of tobacco mosaic

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018