from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A light to dark brown mineral, (Zn,Fe)S, that is a polymorph of sphalerite, used as a minor ore of zinc.
from The Century Dictionary.
- noun Sulphid of zinc occurring in hexagonal crystals, isomorphous with greenockite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A dark brown
mineral, a form of zinc sulfide, Zn S, often also containing ironand cadmium sulfides.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a brownish-black mineral consisting of zinc sulfide
from The American Heritage® Dictionary of the English Language, 4th Edition
[French, after Charles Wurtz, (1817–1884), French chemist.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
For Charles-Adolphe Wurtz French chemist.
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