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geologic

[jee-uh-loj-ik] /ˌdʒi əˈlɒdʒ ɪk/
adjective
1.
of, relating to, or based on geology.
Origin of geologic
1790-1800
1790-1800; geolog(y) + -ic
Related forms
geologically, adverb
nongeologic, adjective
nongeological, adjective
nongeologically, adverb
pregeological, adjective
ungeological, adjective
ungeologically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for geological
adj.

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

geologic

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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14
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