hydroplanula

noun

hy·​dro·​planula

: a larval stage of a coelenterate intermediate between the planula and actinula stages

Word History

Etymology

New Latin, from hydr- + planula

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