pentlandite definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a bronze-colored, brittle mineral, (Fe,Ni)S, that is the chief ore of nickel
Origin: French after J. B. Pentland (1797-1873), Irish mineralogist
pentlandite definition by American Heritage Dictionary
A yellowish-brown nickel iron sulfide that is the principal ore of nickel.
Origin: French, after Joseph Barclay Pentland (1797-1873), Irish scientist.