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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To copperas
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Copperas
is always a great word to know.
So is addition. Does it mean:
| a reaction in which two or more substances combine to form another compound |
| a purplish-red, water-soluble powder, C20H11N2O10Na3, an azo dye used chiefly to color pharmaceuticals, food, and garments |
Collins
World English Dictionary
| copperas (ˈkɒpərəs) | |
| —n | |
| a less common name for ferrous sulphate | |
| [C14: coperose, via Old French from Medieval Latin cuperosa, perhaps originally in the phrase aqua cuprosa copper water] | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Dynamo Rating For Copperas
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