rhomboclase

noun

rhom·​bo·​clase

ˈrämbəˌklās,

-āz

plural -s

: a mineral HFe(SO₄)₂.4H₂O consisting of a hydrous acid ferric sulfate and occurring in colorless rhombic plates with basal cleavage

Word History

Etymology

Hungarian rhomboklas, from rhomb- + -klas -clase

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