rugose mosaic

noun

: a highly destructive virus disease of potatoes due to the combined action of the viruses responsible for veinbanding and latent virus disease and causing dwarfed, wrinkled, and mottled leaves, stunting, and premature death compare potato mosaic

Word History

First Known Use

1923, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now