stromatolite

noun

stro·​mat·​o·​lite strō-ˈma-tə-ˌlīt How to pronounce stromatolite (audio)
: a laminated usually mounded sedimentary fossil formed from layers of cyanobacteria, calcium carbonate, and trapped sediment
stromatolitic adjective

Examples of stromatolite in a Sentence

Recent Examples on the Web
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Proterozoic fossils, dating from 2,500 million to 539 million years ago, include body imprints in fine sediments, stromatolites, trace fossils, chemical and isotopic remains. David Bressan, Forbes, 27 Dec. 2024 Furlan Marri For the first time, Furlan Marri has used stromatolite to create a unique timepiece. Anthony Demarco, Forbes, 26 Nov. 2024 Made of sand or minerals, stromatolites can reach five metres tall. Joshua Rothman, The New Yorker, 3 Sep. 2024 Microbial stromatolites represent the earliest geological record of life on Earth, which dominated the planet for almost 3 billion years. Stromatolites, in general, refer to a range of microbial communities that are associated with layers of rock. David Bressan, Forbes, 29 Feb. 2024 See all Example Sentences for stromatolite 

Word History

Etymology

Latin stromat-, stroma bed covering + English -o- + -lite

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of stromatolite was in 1930

Dictionary Entries Near stromatolite

Cite this Entry

“Stromatolite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stromatolite. Accessed 7 Jan. 2025.

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