Tilletiaceae

plural noun

Til·​le·​ti·​a·​ce·​ae

: a family of smuts (order Ustilaginales) that is distinguished from the Ustilaginaceae by the simple promycelium bearing the spores in an apical cluster and that includes numerous genera some of which (as Tilletia and Urocystis) contain economically important parasites of cultivated plants compare ustilago

tilletiaceous

⸗¦⸗⸗¦āshəs

adjective

Word History

Etymology

New Latin, from Tilletia, type genus + -aceae

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