- a mineral, sulfide of nickel, occurring in the form of bronze-colored granular aggregates, found with pyrrhotite: the principal source of nickel.
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
- a brownish-yellow mineral consisting of an iron and nickel sulphide in cubic crystalline form: the principal ore of nickel. Formula: (Fe,Ni)S
C19: from French; named after J. B. Pentland (1797–1873), Irish scientist who discovered it