tobacco mosaic virus

noun

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

Recent Examples of tobacco mosaic virus from the Web

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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