Cambrian

adjective

Cam·​bri·​an ˈkam-brē-ən How to pronounce Cambrian (audio) ˈkām- How to pronounce Cambrian (audio)
1
: welsh
2
: of, relating to, or being the earliest geologic period of the Paleozoic era or the corresponding system of rocks marked by fossils of nearly every major invertebrate animal group see Geologic Time Table
Cambrian noun

Examples of Cambrian in a Sentence

Recent Examples on the Web
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Due to exceptional preservation, the Sirius Passet is an archaeological gold mine for marine organisms from the Early Cambrian period (518 million years ago). Stephanie Edwards, Discover Magazine, 25 July 2025 Scientists still debate what drove the Cambrian explosion, but the most popular theory is that oxygen in the Earth’s atmosphere slowly began to increase about 550 million years ago, said Erik Sperling, an associate professor of Earth and planetary sciences at Stanford University. Kameryn Griesser, CNN Money, 24 July 2025 This marked the beginning of the Cambrian period, when the majority of animal groups alive today first appear in the rock record. Laura Poppick july 22, Literary Hub, 22 July 2025 Firms are ramping up resources and expertise to not just meet client demand in the field, but to harness the next Cambrian iteration of the technology and improve their own bottom line. Liane Jackson, Forbes.com, 25 June 2025 See All Example Sentences for Cambrian

Word History

Etymology

Medieval Latin Cambria Wales, from Middle Welsh Cymry Wales, Welshmen

First Known Use

1603, in the meaning defined at sense 1

Time Traveler
The first known use of Cambrian was in 1603

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Cite this Entry

“Cambrian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cambrian. Accessed 6 Aug. 2025.

Kids Definition

Cambrian

adjective
Cam·​bri·​an ˈkam-brē-ən How to pronounce Cambrian (audio) ˈkām- How to pronounce Cambrian (audio)
: of, relating to, or being the earliest period of the Paleozoic era of geological history or the corresponding system of rocks marked by fossils of nearly every major invertebrate animal group see geologic time
Cambrian noun
Last Updated: - Updated example sentences
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