mahogany rot

noun

1

: the tuber-rotting phase of late blight

broadly : late blight

2

or less commonly mahogany browning : a physiological disease of potato tuber due to long exposure to low temperature

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