Hyalospongiae

plural noun

Hy·​a·​lo·​spon·​gi·​ae

-ēˌē

: a class of Porifera comprising sponges with 6-rayed siliceous spicules, no surface epithelium, and the choanocytes restricted to finger-shaped chambers see glass sponge

Word History

Etymology

New Latin, from hyal- + -spongiae

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