9 Grammatical Pitfalls


[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 geological
  • According to climatologists, atmospheric instability eventually influences geological stability.
  • Popular account of a five-year journey of geological, botanical, biological and paleontological observation.
  • Though the history is long, it contains little drama: major shifts in capitalist power centers occur at an almost geological pace.
  • Instead of wearing thin they wear thick, and in their stratification have no small geological significance.
  • Those frequent and radical changes of course, inevitable in geological time, are the challenge in the here and now.
  • If they inject it into the right kind of geological structure, and deep enough below the surface, it stays there.
  • Kerogens form naturally as sedimentary organic matter is compressed and heated during geological processes.
  • Refocus student attention on the geological disasters they researched, and ask them if they know what caused the events.
  • Coal is a fossil fuel, and a sedimentary rock that is formed by geological action over millions of years.
  • Partly buried by flakes of battleship-gray rock is a telling geological formation.
Word Origin and History for geological

1795, from geology + -ical. Related: Geologically.



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

Online Etymology Dictionary, © 2010 Douglas Harper
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