pyrite
noun
py·​rite
| \ ˈpī-ˌrīt
\
\
Definition of pyrite
: a common mineral that consists of iron disulfide, has a pale brass-yellow color and metallic luster, and is burned in making sulfur dioxide and sulfuric acid
Examples of pyrite in a Sentence
Recent Examples on the Web
Soft tissue such as muscle do not typically fossilize, but these were preserved as the mineral pyrite. — David Grossman, Popular Mechanics, "A 150-Year Old Weird Ancient Animal Mystery, Solved," 22 Feb. 2019 The pyrite half of the Paleolithic firestarting kit often doesn't last as long as flint, because pyrite tends to oxidize and corrode away over time. — Kiona N. Smith, Ars Technica, "Neanderthals used stone hand axes to strike a light," 26 July 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyrite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for pyrite
pyrite
noun
English Language Learners Definition of pyrite
: a common mineral that is shiny and pale yellow in color
See the full definition for pyrite in the English Language Learners Dictionary