tobacco mosaic

Noun

 * , an RNA virus (of genus ) that infects plants, especially tobacco and other members of the family, causing characteristic patterns of mottling and discoloration on the leaves.
 * 1) * 1992, and others, Recombinant DNA, second edition, Scientific American Books, ISBN 0716719940, page 64:
 * RNA replaces DNA as the genetic material in many viruses (for example, tobacco mosaic, influenza, polio, certain RNA phages).
 * 1)  A disease of tobacco plants, characterized by mottled leaves, caused by this virus