Cambrian

adjective

/ˈkæm.bri.ən/

Definition

› from or referring to the period of time between about 543 and 490 million years ago, in which many different types of invertebrates (= animals with no spine) first appeared: the Cambrian era/period Cambrian rocksGeology - general words the Cambrian

noun › the Cambrian periodGeology - general words

(Definition of Cambrian adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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