dolerophanite

noun

dol·​er·​oph·​a·​nite

ˌdäləˈräfəˌnīt

variants or less commonly dolerophane

ˈdälərəˌfān,

dəˈler-

plural -s

: a basic copper sulfate Cu₂(SO₄)O of volcanic origin occurring in brown monoclinic crystals

Word History

Etymology

dolerophanite from dolerophane + -ite; dolerophane from Italian dolerofano, from Greek doleros deceitful + Italian -fano (from Greek phainesthai to appear)

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