American Heritage® Dictionary of the English Language, Fourth Edition
- n. The period of time covering the physical formation and development of Earth, especially the period prior to human history.
- n. the time of the physical formation and development of the earth (especially prior to human history)
“There were a few such cavernous ledges in the woods on my father's farm where one could retreat from a sudden shower, but less than a mile away there were two lines of them, one on Pine Hill and one on Chase's Hill, where the foundations of the earth were laid open, presenting a broken and jagged rocky front from ten to thirty or forty feet high, gnawed full of little niches and pockets and cavernous recesses by the never-dulled tooth of geologic time and affording dens and retreats where Indians and wild beasts often took refuge.”
These user-created lists contain the word ‘geologic time’.
its about time
An extract from the "Zold Tolmacs" project, a HU-EN environmental dictionary compiled by Robert Gulyas in 2000.
dactylis glomerata, daily allowance, daily contact zone, daily cycle of tides, daily intake level, daily mortality rate, daily office and ..., daily peak, daily range in va..., daily runoff regu..., daily SO2 levels, dairy cattle and 5213 more...
Looking for tweets for geologic time.