WordNet
n. the time of the physical formation and development of the earth (especially prior to human history) [syn: geological time]
Usage examples of "geologic time".
The water was quite free from reptiles, and the vegetation upon the banks of the river had altered to more open and parklike forest, with eucalyptus and acacia mingled with a scattering of tree ferns, as though two distinct periods of geologic time had overlapped and merged.
He walked the hills and knew what the hills had seen through geologic time.
You have this sense of connectedness through geologic time that most people never get to experience.
The result was a sort of vertical map that came to be called the Geologic Time Scale.
The city seemed to stretch about them like some pitiless abyss of geologic time.
Terraforming, while wreaking havoc on many native species, has provided a unique opportunity to study interface zones and compare adaptive changes in Terrene and indigenous species, advancing our understanding of catastrophic changes which have impacted Terrene species over geologic time, and of the degree of change facing the human species in its radical changes of habitat.