| 释义 |
geological period
Thesaurus| Noun | 1. | geological period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"periodgeologic time, geological time - the time of the physical formation and development of the earth (especially prior to human history)geological era, era - a major division of geological time; an era is usually divided into two or more periodsepoch - a unit of geological time that is a subdivision of a period and is itself divided into agesglacial epoch, glacial period, ice age - any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene" |
geological period
Related to geological period: Geological time scale, Geologic agesSynonyms for geological periodnoun a unit of geological time during which a system of rocks formedSynonymsRelated Words- geologic time
- geological time
- geological era
- era
- epoch
- glacial epoch
- glacial period
- ice age
|