phenanthridone

noun

phe·​nan·​thri·​done

fə̇ˈnan(t)thrəˌdōn

plural -s

: a crystalline lactam C₁₃H₉NO obtainable from phenanthridine by oxidation

Word History

Etymology

International Scientific Vocabulary phenanthridine + -one

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