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A yellowish-brown nickel iron sulfide that is the principal ore of nickel.
[French, after Joseph Barclay Pentland (1797-1873), Irish scientist.]
(Minerals) 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]
a mineral, iron-nickel sulfide, (FeNi)9S8, occurring in the form of bronze-colored granular aggregates: the principal source of nickel.
[1855–60; < French; after Joseph B. Pentland (d. 1873), Irish scientist; see -ite1]
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|Noun||1.||pentlandite - a mineral (iron and nickel sulphide) that is the chief ore of nickel|
atomic number 28, Ni, nickel - a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition