tobacco mosaic virus


Definition of tobacco mosaic virus

: a single-stranded RNA virus (species Tobacco mosaic virus of the genus Tobamovirus) that occurs worldwide and causes mosaic disease in plants (such as tobacco and tomato) especially of the nightshade family

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Scientists were only first able to visualize a virus, the tobacco mosaic virus, after the 1931 invention of the electron microscope. Jonathan Runstadler, Scientific American, "Influenza's Wild Origins in the Animals around Us," 11 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tobacco mosaic virus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tobacco mosaic virus

1914, in the meaning defined above

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The first known use of tobacco mosaic virus was in 1914

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readily or continually undergoing change

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