carboniferous period
English Thesaurus
1. from 345 million to 280 million years ago (noun.time)
| instance hypernym | : | geological period, period, |
| definition | : | a unit of geological time during which a system of rocks formed (noun.time) |
| part holonym | : | pennsylvanian, pennsylvanian period, upper carboniferous, upper carboniferous period, |
| definition | : | from 310 million to 280 million years ago; warm climate; swampy land (noun.time) |
| part holonym | : | lower carboniferous, lower carboniferous period, missippian period, mississippian, |
| definition | : | from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects (noun.time) |
| part meronym | : | paleozoic, paleozoic era, |
| definition | : | from 544 million to about 230 million years ago (noun.time) |
| derivation | : | carboniferous, |
| definition | : | of or relating to the Carboniferous geologic era (adj.pert) |
| derivation | : | carboniferous, |
| definition | : | of or relating to the Carboniferous geologic era (adj.pert) |
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