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geographic
geographic mile
geographic mobility
geographic profiling
geography
geohydrology
geoid
geol.
geologic time
geologize
geology
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geologic time
ge·o·log·ic time


noun 
Definition:
 
Earth's history: the period of time that extends from the beginning of the world to the present day
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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