Phacidiales

plural noun

Pha·​cid·​i·​a·​les

-ˈā(ˌ)lēz

: an order of fungi (subclass Euascomycetes) having the hymenium covered by a membrane until the ascospores mature following which the membrane breaks up into stellate or irregular fragments

Word History

Etymology

New Latin, from Phacidium genus of fungi + -ales

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