Carboniferous in Russian
Carboniferous in Russian
каменноу́гольный
(geology) 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.
каменноу́гольный пери́од
(geology) the Carboniferous period
каменноугольный период
(geology) the Carboniferous period
каменноу́гольный
(chemistry) Containing or producing carbon.