millerite
nounA nickel sulfide mineral, NiS, usually occurring in long hairlike crystals and sometimes used as a nickel ore.
nounA disciple of the American William Miller, who from 1833 till his death in 1849 publicly interpreted the Scriptures as fixing the second advent of Christ and the beginning of the millennium in the immediate future (at first about 1843). His followers form a still existing denomination of Adventists.
nounNative nickel sulphid, a mineral having a bronze color and metallic luster, often occurring in tufts of capillary crystals, and hence called hair-pyrites, capillary pyrites.
nounA believer in the doctrine of William Miller (d. 1849), who taught that the end of the world and the second coming of Christ were at hand.
nounA sulphide of nickel, commonly occurring in delicate capillary crystals, also in incrustations of a bronze yellow; — sometimes called
A nickel sulfide
a yellow mineral consisting of nickel sulfide; a minor source of nickel