rowlandite

noun

row·​land·​ite

ˈrōlənˌdīt

plural -s

: a massive grayish green yttrium silicate containing iron and fluorine

Word History

Etymology

Henry A. Rowland †1901 American physicist + 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