orthite

noun

or·​thite

-ˌthīt

plural -s

: allanite especially when occurring in slender prismatic crystals

orthitic

(ˈ)⸗¦thitik

adjective

Word History

Etymology

German orthit, from orth- + -it -ite; from the fact that it forms straight radii

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