Definition of Pierce's disease in US English:

Pierce's disease


  • A lethal disease of grapevines caused by the bacterium Xylella fastidiosa, which infects the xylem, causing progressive wilting and desiccation of the leaves and other plant parts.


1940s; earliest use found in Blue Anchor. From the genitive of the name of Newton B. Pierce, 19th-cent. U.S. plant pathologist who was the first to provide a scientific description of the disease + disease.


Pierce's disease

/ˈpɪəsɪz dɪˌziːz/