geologic

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Related to geologic: Geologic time scale

ge·ol·o·gy

(jē-ŏl′ə-jē)

n. pl. ge·ol·o·gies

1. The scientific study of the origin, history, and structure of the earth.

2. The structure of a specific region of the earth's crust.

3. A book on geology.

4. The scientific study of the origin, history, and structure of the solid matter of a celestial body.

[Medieval Latin geōlogia, study of earthly things : Greek geō-, geo- + Greek -logiā, -logy.]

ge′o·log′ic (jē′ə-lŏj′ĭk), ge′o·log′i·cal adj.

ge′o·log′i·cal·ly adv.

ge·ol′o·gist n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ge•o•log•ic

(ˌdʒi əˈlɒdʒ ɪk)

also ge`o•log′i•cal,

adj.

of, pertaining to, or based on geology.

[1790–1800]

ge`o•log′i•cal•ly, adv.

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Adj.

geologic - of or relating to or based on geology; "geological formations"; "geologic forces"

geological

Translations

géologique

геологический

References in classic literature ?

A glance at a geological map will show that whatever truth there may have been of the actuality of such monsters in the early geologic periods, at least there was plenty of possibility.

The condition belongs to the geologic age--the great birth and growth of the world, when natural forces ran riot, when the struggle for existence was so savage that no vitality which was not founded in a gigantic form could have even a possibility of survival.

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I said "petrified" was good; as I be- lieved, myself, that the only right way to classify the majestic ages of some of those jokes was by geologic periods.

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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.

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The very place, where he have been alive, Undead for all these centuries, is full of strangeness of the geologic and chemical world.

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Great Lakes Rocks: 4 Billion Years of Geologic History in the Great Lakes Region

A Guide to Geologic Sites in the Old Dominion provides destination visitors and geology students alike with a practical guide to some 50 of the best sites in the state for viewing rocks, minerals, and landforms, and adds to this publisher's state-by-state 'Geology Rocks!' series.

Virginia Rocks!

Tourists will find these guides offer rich geologic information based on observable phenomenon evident from any tour.

Roadside Geology of Yellowstone Country

professors of paleontology (Clarkson) and petrology (Upton) present an accessible geologic history of a region known for spectacular landforms such as Castle Rock and sandstone buildings.