brannerite

noun

bran·​ner·​ite

ˈbranəˌrīt

plural -s

: a mineral consisting of a complex uranium titanate with small amounts of rare earths and occurring in black grains and rough prisms

Word History

Etymology

John C. Branner †1922 American geologist + English -ite

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