galena(redirected from Lead sulfide)
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A city of extreme northwest Illinois on the Mississippi River. It was a prosperous port and the center of a lead-mining region during the 1800s.
A gray mineral, essentially PbS, the principal ore of lead.
[Latin galēna, lead ore.]
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 grey mineral, found in hydrothermal veins. It is the chief source of lead. Composition: lead sulphide. Formula: PbS. Crystal structure: cubic
[C17: from Latin: lead ore, dross left after melting lead]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a common heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, and cleavable masses: the principal ore of lead.
[1595–1605; < Latin: lead ore]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A gray, metallic mineral consisting of lead and sulfur. Galena usually occurs in cube-shaped crystals within veins of igneous rock or in sedimentary rocks. It is the main ore of lead.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||galena - soft blue-grey mineral; lead sulfide; a major source of lead|
atomic number 82, Pb, lead - a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers"
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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