geological_time
1. [ noun ] (geology) the time of the physical formation and development of the earth (especially prior to human history)
Synonyms: geologic_time
Related terms: time period era eon epoch Precambrian
Similar spelling:   geologic_time
  geological_era
  geological_fault
  geological_period
  geological_dating
  geologically
  geological_process
  geological_horizon
  geologic_process