microtrichium

noun

mi·​cro·​trich·​i·​um

plural microtrichia

-ēə

: one of the minute fixed hairs on the integument (as the wings) of various insects compare macrotrichium

Word History

Etymology

New Latin, from micr- + Greek trich-, thrix hair + New Latin -ium

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