leprosis

noun

le·​pro·​sis

lə̇ˈprōsə̇s

plural -es

: a disease of the sweet orange of undetermined cause that is characterized by the spotting of smooth bark and fruits and by the scaling of the bark on the larger limbs and sometimes on the trunk

called also nailhead rust, scaly bark

compare psorosis

Word History

Etymology

New Latin, from Late Latin lepra leprosy + New Latin -osis

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