geologic time
noun Date: 1861 the long period of time occupied by the earth's geologic history

New Collegiate Dictionary. 2001.

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  • geologic time — or geological time n. the time period (c. 4.55 billion years) representing the earth s geologic history: see the geologic time chart in the Reference Supplement …   English World dictionary

  • geologic time — the succession of eras, periods, and epochs as considered in historical geology. [1860 65] * * * Interval of time occupied by the Earth s geologic history, extending from с 3. 9 billion years ago (corresponding to the age of the oldest known… …   Universalium

  • geologic time — noun the time of the physical formation and development of the earth (especially prior to human history) • Syn: ↑geological time • Hypernyms: ↑time • Hyponyms: ↑eon, ↑aeon, ↑period, ↑ …   Useful english dictionary

  • geologic time —   The total time involved since formation of the earth to the present time …   Geography glossary

  • geologic time — ge′olog′ic time′ n. gel the succession of eras, periods, and epochs as considered in historical geology • Etymology: 1860–65 …   From formal English to slang

  • Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …   Wikipedia

  • geologic time scale — geologinio laiko skalė statusas T sritis Standartizacija ir metrologija apibrėžtis Sąlyginė chronologinė geologinių įvykių seka, vartojama kaip tam tikro geologinio periodo matas. atitikmenys: angl. geologic time scale rus. шкала геологического… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • geologic time scale —   see http://www.geosociety.org/science/timescale/timescl.htm …   Geography glossary

  • New Zealand geologic time scale — While also using the international Geologic time scale, many nations especially those with isolated and therefore non standard prehistories use their own system of dividing geologic time into epochs and faunal stages. In New Zealand, these epochs …   Wikipedia

  • Time from NPL — Map showing the location of the Anthorn VLF transmitter within Cumbria …   Wikipedia

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