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[jee-uh-loj-ik] /ˌdʒi əˈlɒdʒ ɪk/
of, relating to, or based on geology.
Origin of geologic
1790-1800; geolog(y) + -ic
Related forms
geologically, adverb
nongeologic, adjective
nongeological, adjective
nongeologically, adverb
pregeological, adjective
ungeological, adjective
ungeologically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for geologic
  • Pause at one of the pullouts and you'll get a sense of the geologic powers that shaped the canyon.
  • Geothermal is useful in areas where there are the right geologic formations.
  • It is a human contest on a nearly geologic time scale.
  • We know that not all locations are amenable to geologic storage, but where conditions are good, they should be considered.
  • On a geologic scale this may prove to be a hiatus, since the reservoirs upstream are silting up.
  • These plants rely on relatively rare geologic formations.
  • Unless this is another example of lousy publicly available geologic data.
  • The cave is also of geologic interest because of its rich sulfur deposits.
  • Have students look at this geologic timeline and read the caption.
  • They all hide a tumultuous geologic history beneath their level disguise.
Word Origin and History for geologic

1799, from geology + -ic. Geologic time is recorded from 1861.

Online Etymology Dictionary, © 2010 Douglas Harper
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