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mineral tar

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noun
  1. bitumen of the consistency of tar; maltha.
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Origin of mineral tar

First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mineral tar

mineral tar

noun
  1. a natural black viscous tar intermediate in properties between petroleum and asphaltAlso called: maltha
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012