Phaeophyceae

plural noun

Phaeo·​phy·​ce·​ae

-fis-

in some classifications

: a class comprising the brown algae and being coextensive with the division Phaeophyta

phaeophycean

¦⸗⸗¦fishən

adjective or noun

phaeophyceous

-shəs

adjective

Word History

Etymology

New Latin, from phaeo- + -phyceae

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