trachytoid

adjective

trachy·​toid

ˈtrakəˌtȯid,

ˈtrāk-

: resembling trachyte

trachytoid structure

Word History

Etymology

French trachytoïde, from trachyte + -oïde -oid

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