: a rock resembling flint and consisting essentially of a large amount of fibrous chalcedony with smaller amounts of cryptocrystalline quartz and amorphous silica
Examples of chert in a Sentence
Recent Examples on the Web
Enlarge / Black chert with bands of white chert formed in low-energy environment prior to S2 impact.
—
Alka Tripathy-Lang, Ars Technica, 26 Jan. 2024
Still, the microorganisms Schopf discovered in the chert in Western Australia may not be the oldest fossil evidence of life on the planet.
—Joshua Rapp Learn, Discover Magazine, 14 Jan. 2022
This ratio revealed that the shapes preserved in the chert were characteristic of biological matter.
—Joshua Rapp Learn, Discover Magazine, 14 Jan. 2022
Most of the tools and arrows the researchers examined were made of chert, a sedimentary rock.
—Mark Barna, Discover Magazine, 20 June 2018
See all Example Sentences for chert 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alka Tripathy-Lang, Ars Technica, 26 Jan. 2024
Still, the microorganisms Schopf discovered in the chert in Western Australia may not be the oldest fossil evidence of life on the planet.
—Joshua Rapp Learn, Discover Magazine, 14 Jan. 2022
This ratio revealed that the shapes preserved in the chert were characteristic of biological matter.
—Joshua Rapp Learn, Discover Magazine, 14 Jan. 2022
Most of the tools and arrows the researchers examined were made of chert, a sedimentary rock.
—Mark Barna, Discover Magazine, 20 June 2018
See all Example Sentences for chert
Dictionary Entries Near chert
Cite this Entry
“Chert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chert. Accessed 30 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share