Carboniferous

形容词 adj. 专有名词
中文释义
英 /ˌkɑːbəˈnɪfəɹəs/   

英文释义

形容词 adj.
  1. Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down. not-comparable
    — The earliest ink sacs appear in the fossil record in the Carboniferous period around 330 million years ago in cephalopods such as Donovaniconus, Gordoniconus and Saundersites which show a mix of features from older and more modern groups and are placed in their own order, Donovaniconida (Doguzhaeva 2012).
专有名词
  1. The Carboniferous period.

词形变化

the Carboniferous canonical

词源

词源 1
From carboniferous (“producing carbon”), from carbon + -i- + -ferous.
词源 2
From carboniferous (“producing carbon”), from carbon + -i- + -ferous.
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