ink disease

noun

1

: a destructive disease of the chestnut in Europe that is caused by a fungus (Phytophthora cambivora) and that produces dark cankers and a black exudate on the trunk

called also black canker

2

: a destructive disease of walnuts caused by a fungus (Phytophthora citrophthora)

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