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A lead sulfate mineral, PbSO4, occurring in colorless or tinted crystals and formed by the weathering of 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 white or grey secondary mineral consisting of lead sulphate in orthorhombic crystalline form. It occurs in lead-ore deposits and is a source of lead. Formula: PbSO4
[C19: from Anglesey, where it was first found]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a mineral, lead sulfate, PbSO4, found in massive deposits and in colorless or variously tinted crystals: a minor ore of lead.
[1830–40; after Anglesey, where it was first found]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.