upper carboniferous
1Upper Carboniferous — noun from 310 million to 280 million years ago; warm climate; swampy land • Syn: ↑Pennsylvanian, ↑Pennsylvanian period, ↑Upper Carboniferous period • Instance Hypernyms: ↑period, ↑geological period • P …
2Upper Carboniferous period — noun from 310 million to 280 million years ago; warm climate; swampy land • Syn: ↑Pennsylvanian, ↑Pennsylvanian period, ↑Upper Carboniferous • Instance Hypernyms: ↑period, ↑geological period • Part Holonyms …
3Upper Carboniferous — Geol. Pennsylvanian (defs. 2, 4). * * * …
4carboniferous — [kär΄bə nif′ər əs] adj. [ CARBON + I + FEROUS] 1. producing or containing carbon or coal 2. [usually C ] designating or of the fifth geologic period of the Paleozoic Era, subdivided into the Pennsylvanian (the Upper Carboniferous) and the… …
5Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …
6Carboniferous period — noun from 345 million to 280 million years ago • Syn: ↑Carboniferous • Derivationally related forms: ↑carboniferous (for: ↑Carboniferous) • Instance Hypernyms: ↑period, ↑ …
7Carboniferous — /kabəˈnɪfərəs / (say kahbuh nifuhruhs) adjective 1. relating to a geological period or a system of rocks preceding the Permian, and following the Devonian; divided into Upper Carboniferous, Lower Carboniferous, and sometimes Middle Carboniferous …
8Carboniferous — 1. adjective 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 2. noun …
9Upper Flood Swallet — Infobox Cave name =Upper Flood Swallet photo = caption = location = Charterhouse, Somerset depth = 110m length = 3.2km coordinates =gbmapping|ST50575576 survey = discovery = 3 October 1968 [ [http://www.mendipcavinggroup.org.uk/ufs.html Mendip… …
10Permo-Carboniferous — Permo Carbonifˈerous adjective Upper Carboniferous and Lower Permian (also noun) • • • Main Entry: ↑Permian …
