potash
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pot·ash
(pŏt′ăsh′)n.
1. See potassium carbonate.
2. See potassium hydroxide.
3. Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.
[From sing. of obsolete pot ashes, an alkaline substance obtained by leaching wood ashes and evaporating the leachate in a pot.]
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.
potash
(ˈpɒtˌæʃ)n
1. (Elements & Compounds) another name for potassium carbonate, esp the form obtained by leaching wood ash
2. (Elements & Compounds) another name for potassium hydroxide
3. (Elements & Compounds) potassium chemically combined in certain compounds: chloride of potash.
[C17 pot ashes, translation of obsolete Dutch potaschen; so called because originally obtained by evaporating the lye of wood ashes in pots]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pot•ash
(ˈpɒtˌæʃ)n.
1. potassium carbonate, esp. the crude impure form obtained from wood ashes.
2. potassium hydroxide.
3. any of several potassium compounds, as the oxide of potassium, K2O.
[1615–25; back formation from pl. pot-ashes, translation of early Dutch potasschen]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
pot·ash
(pŏt′ăsh′) Any of several chemical compounds that contain potassium, especially potassium carbonate (K2CO3), which is a strongly alkaline material obtained from wood ashes and used in fertilizers.
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. |  potash - a potassium compound often used in agriculture and industryhydrated oxide, hydroxide - a compound of an oxide with water lye - a strong solution of sodium or potassium hydroxide |
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Translations
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
potash
n → Pottasche f, → Kaliumkarbonat nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995