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A yellow to brown or red mineral, CdS, the only ore of cadmium.
[After Charles Murray Cathcart, Second Earl Greenock (1783-1859), British soldier.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) a rare yellowish mineral consisting of cadmium sulphide in hexagonal crystalline form: the only ore of cadmium. Formula: CdS
[C19: named after Lord C. C. Greenock, 19th-century English soldier]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a yellow mineral, cadmium sulfide, CdS, associated with zinc ores.
[1840–45; after Charles Cathcart, Lord Greenock (1807–43), Englishman who discovered it; see -ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||greenockite - ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form|
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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