soapstone(redirected from Alumen plumosum)
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A soft metamorphic rock composed mostly of the mineral talc. Also called steatite.
[From its smooth soapy feel.]
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 massive compact soft variety of talc, used for making tabletops, hearths, ornaments, etc. Also called: steatite
[C17: so called because it has a greasy feel and was sometimes used as soap]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a massive variety of talc with a soapy feel, used for hearths, washtubs, etc. Also called steatite.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A soft metamorphic rock composed mostly of the mineral talc.
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.||soapstone - a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments|
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