释义 |
geologic time geologic timegeologic timen. The period of time covering the physical formation and development of Earth, especially the period prior to human history.ge′olog′ic time′ n. the succession of eras, periods, and epochs as considered in historical geology. [1860–65] ge·o·log·ic time (jē′ə-lŏj′ĭk) The period of time covering the formation and development of the Earth, from about 4.6 billion years ago to today.ThesaurusNoun | 1. | geologic time - the time of the physical formation and development of the earth (especially prior to human history)geological timetime - the continuum of experience in which events pass from the future through the present to the pasteon, aeon - the longest division of geological timegeological period, period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"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 ages |
geologic time
geologic time[¦jē·ə¦läj·ik ′tīm] (geology) The period of time covered by historical geology, from the end of the formation of the earth as a separate planet to the beginning of written history. geologic time Related to geologic time: relative geologic timeSynonyms for geologic timenoun the time of the physical formation and development of the earth (especially prior to human history)SynonymsRelated Words- time
- eon
- aeon
- geological period
- period
- geological era
- era
- epoch
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