gangue

gangue

also gang  (găng)

n.

Worthless rock or other material in which valuable minerals are found.

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[French, from German Gang, lode, from Middle High German ganc, from Old High German gang, a going.]

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.

gangue

(ɡæŋ) or

gang

n

1. (Metallurgy) valueless and undesirable material, such as quartz in small quantities, in an ore

2. (Mining & Quarrying) valueless and undesirable material, such as quartz in small quantities, in an ore

[C19: from French gangue, from German Gang vein of metal, course; see gang¹]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

gangue

(gæŋ)

n.

rock or mineral matter of no value occurring with the metallic ore in a vein or deposit.

[1800–10; < French < German Gang; see gang¹]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

gangue

Valueless minerals in ore.

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited