-stome

noun combining form

ˌstōm

plural -s

: mouth : opening resembling or functioning as a mouth

cytostome

Word History

Etymology

International Scientific Vocabulary, from New Latin -stoma

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