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pentlandite

[pent-luh n-dahyt]
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noun
  1. a mineral, sulfide of nickel, occurring in the form of bronze-colored granular aggregates, found with pyrrhotite: the principal source of nickel.
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Origin of pentlandite

1855–60; < French; named after Joseph B. Pentland (died 1873), Irish scientist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pentlandite

pentlandite

noun
  1. a brownish-yellow mineral consisting of an iron and nickel sulphide in cubic crystalline form: the principal ore of nickel. Formula: (Fe,Ni)S
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Word Origin

C19: from French; named after J. B. Pentland (1797–1873), Irish scientist who discovered it
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