black point

noun

: a worldwide disease of wheat and other cereal grains that is caused by various bacteria and fungi especially of the genera Alternaria and Helminthosporium and that blackens the embryo ends of the grains, sometimes impairs germination, and lowers the market value of the grain

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