: 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
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In this area, the team found a small patch of reddened sediment, about the size of a modest campfire, surrounded by two pyrites, 19 flints, and four broken hand axes, showing clear signs of heating.
—
Jay Kakade
december 30, New Atlas, 30 Dec. 2025
This is not a perfect finding: in an ideal world, the researchers would also have found the scars left behind on flint and pyrite from the fire-sparking process.
—Meghan Bartels, Scientific American, 10 Dec. 2025
As the days went on, my guides and I walked through more red rhododendron blossoms blanketing the ground, green pine forests, and past mountain stretches that glittered with gold pyrite.
—Hillary Richard, Robb Report, 20 Nov. 2025
The goal was to find calcite or pyrite crystals that had formed in those interstices as they were washed with mineral-rich fluids.
—Katherine Kornei, Space.com, 1 Nov. 2025
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Jay Kakade
december 30, New Atlas, 30 Dec. 2025
This is not a perfect finding: in an ideal world, the researchers would also have found the scars left behind on flint and pyrite from the fire-sparking process.
—Meghan Bartels, Scientific American, 10 Dec. 2025
As the days went on, my guides and I walked through more red rhododendron blossoms blanketing the ground, green pine forests, and past mountain stretches that glittered with gold pyrite.
—Hillary Richard, Robb Report, 20 Nov. 2025
The goal was to find calcite or pyrite crystals that had formed in those interstices as they were washed with mineral-rich fluids.
—Katherine Kornei, Space.com, 1 Nov. 2025
See All Example Sentences for pyrite
Cite this Entry
“Pyrite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrite. Accessed 16 Jan. 2026.
Copy CitationKids Definition
pyrite
noun
py·rite
ˈpī-ˌrīt 
: a common mineral that consists of iron combined with sulfur, has a pale brass-yellow color and metallic luster, and is used especially in making sulfuric acid
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