pentammine

noun

pent·​am·​mine

penˈtaˌmēn,

-mə̇n,

ˈpentəˌmēn

: an ammine containing five molecules of ammonia

Word History

Etymology

penta- + ammine

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