| Czech | perioda |
| Chinese (simplified) | 时代 , 地质时代 , 地质 时代 , 纪 |
| 英語 | period , geological period |
| Indonesian | jangka masa , periode geologi , tempoh waktu , zaman , usia |
| Italian | periodo |
| 日本語 | 紀 |
| Malaysian | jangka masa , tempoh waktu , zaman , usia |
| Hyponym: | ice_age |
| Hypernym: | geological_time |
| Instance: | cretaceous jurassic triassic quaternary carboniferous permian silurian tertiary pennsylvanian devonian cambrian ordovician mississippian |
| Meronym–Part: | epoch |
| Holonym–Part: | era |
| Semantic Field: | timen |