pyopneumo-

combining form

: containing or characterized by the presence of both pus and gas

pyopneumocyst

pyopneumoperitonitis

Word History

Etymology

New Latin, from py- + pneum-

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