hydromica

noun

hy·​dro·​mica

: any of several varieties of muscovite that are less elastic and more unctuous than mica and have a pearly luster and some of which contain more water and less potash than ordinary muscovite

hydromicaceous

"+

adjective

Word History

Etymology

hydr- + mica

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