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Speiss is a molten phase consisting primarily of iron arsenide that is commonly encountered in lead smelting operations.[1]

speiss Also found in: Encyclopedia, Wikipedia. speiss (spīs) n. An arsenic compound or a mixture of arsenic compounds resulting from the smelting of iron, cobalt, nickel, and copper ores. [German Speise, food, speiss, from Middle High German spīse, food, from Old High German spīsa, probably from Medieval Latin spēnsa, storehouse, or spēsa, provisions, both from Latin expēnsa (pecūnia), (money) paid out; see expense.] 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. speiss (spaɪs) n (Chemistry) the arsenides and antimonides that form when ores containing arsenic or antimony are smelted [C18: from German Speise food] Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 speiss (spaɪs)

n. a product obtained in smelting certain ores, consisting of metallic arsenides. [1790–1800; < German Speise literally, food] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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  1. ^ Samans, Carl H. Engineering Metals and their Alloys, 1949 MacMillan