millerite

Meanings

1. A nickel sulfide mineral, NiS, that occurs as hairlike tufts.

1. One who followed the calculations of William Miller or his followers that the world would end on October 22, 1844; when it did not, the Great Disappointment occurred. The subsequent denominations his movement spawned include the Adventists, Jehovah's Witnesses and the (Campbellite) Restorationists.
2. A resident of any community known as Miller; often specifically a resident of Miller Beach, in Gary, Indiana

Etymology

From Miller + -ite, from British mineralogist William Hallowes Miller.