nephridiopore

noun

ne·​phrid·​io·​pore

-ˌpō(ə)r

: the excretory orifice of a nephridium

Word History

Etymology

nephridio- (from nephridium) + -pore

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