1. Followers of William Miller, a 19th-century American preacher who predicted the end of the world would occur in 1844.
Usage: historical; usually capitalized; plural form
2. A nickel sulfide mineral (NiS) that occurs in metallic form.
Usage: mineralogy; technical; usually capitalized

Examples

• The Millerites believed that Christ would return on October 22, 1844, a date known as the Great Disappointment.
• Many Millerites were deeply disappointed when the predicted apocalypse did not occur.
• Geologists identified millerites in the ore samples collected from the mining site.
• The metallic luster of millerites makes them easily recognizable under a microscope.
• Some Millerites later founded the Seventh-day Adventist Church after reinterpreting Miller's prophecies.