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English definition of “Carboniferous”

Carboniferous

adjective     /ˌkɑː.bəˈnɪf.ər.əs/ US  /ˌkɑːr.bəˈnɪf.ɚ-/ specialized
from or referring to the period of time, between around 363 and 290 million years ago, when the first reptiles appeared and there were forests covering large areas that later formed Earth's coal layers: the Carboniferous period Carboniferous rocksPrehistory the Carboniferous noun [S] the Carboniferous period
(Definition of Carboniferous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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