Definition of Carboniferous in English:

Carboniferous

Syllabification: Car·bon·if·er·ous
Pronunciation: /ˌkärbəˈnifərəs
 
/

adjective

Geology
1Of, relating to, or denoting the fifth period of the Paleozoic era, between the Devonian and Permian periods.
More example sentences
  • The surface structure, especially in the Zilair Nappe and the Carboniferous and Permian sediments that form the frontal structure in the west, is well constrained by field data.
  • Fossils of the group are mostly Cenozoic, though some Permian and Carboniferous fossils are also known.
  • The northern margin of the fold-thrust belt is composed of sedimentary sequences of Middle to Upper Devonian and Carboniferous rocks.
1.1 (the Carboniferous) [as noun] The Carboniferous period or the system of rocks deposited during it.

The Carboniferous lasted from about 360 million to 286 million years ago. This period is subdivided into two periods, the Older Carboniferous, or Mississippian Period (about 360–320 million years ago), and the Younger Carboniferous, or Pennsylvanian Period (about 320–286 million years ago). During this time the first reptiles and seed-bearing plants appeared, and there were extensive coral reefs and coal-forming swamp forests

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Pronunciation: ɪnˈvɛnəm
verb
put poison on or into; make poisonous