English dictionary
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English noun: geological period | |||
| 1. | geological period (time) a unit of geological time during which a system of rocks formed | ||
| Samples | Ganoid fishes swarmed during the earlier geological periods. | ||
| Synonyms | period | ||
| Broader (hypernym) | geologic time, geological time | ||
| Narrower (hyponym) | glacial epoch, glacial period, ice age | ||
| Instance hyponym | Age of Fishes, Age of Man, Cambrian, Cambrian period, Carboniferous, Carboniferous period, Cretaceous, Cretaceous period, Devonian, Devonian period, Jurassic, Jurassic period, Lower Carboniferous, Lower Carboniferous period, Missippian period, Mississippian, Ordovician, Ordovician period, Pennsylvanian, Pennsylvanian period, Permian, Permian period, Quaternary, Quaternary period, Silurian, Silurian period, Tertiary, Tertiary period, Triassic, Triassic period, Upper Carboniferous, Upper Carboniferous period | ||
| Part holonym | epoch | ||
| Part meronym | era, geological era | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk