June 7, 2006
pyrite
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DEFINITION: (noun) A brass-colored mineral, FeS2, occurring widely and used as an iron ore and in producing sulfur dioxide for sulfuric acid.
SYNONYMS: fool's gold, iron pyrite.
USAGE: The children thought the gleaming bits of metal they had found were gold, and their nurse refrained from telling them they were simply flecks of pyrite.
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