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| Cam·bri·an [ kámbree ən ] |
noun |
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prehistoric period: the period of geologic time, 570 million to 500 million years ago, during which invertebrate animal life, including trilobites, appeared, and marine algae developed
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adjective |
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1. geology of Cambrian: relating to the period of geologic time known as the Cambrian
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2. Welsh: relating to or from Wales
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| [Mid-17th century. < medieval Latin Cambria "Wales" < Welsh Cymry] |
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