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Definition of Geologic time
1. Noun. The time of the physical formation and development of the earth (especially prior to human history).
Exact synonyms: Geological Time
Generic synonyms: Time
Specialized synonyms: Aeon, Eon, Geological Period, Period, Era, Geological Era, Epoch
Generic synonyms: Time
Specialized synonyms: Aeon, Eon, Geological Period, Period, Era, Geological Era, Epoch