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The chronology of the earth's history as determined by geologic events.

ge′o·chron′o·log′ic (-krŏn′ə-lŏj′ĭk), ge′o·chron′o·log′i·cal adj.
ge′o·chron′o·log′i·cal·ly adv.
ge′o·chro·nol′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.


(Geological Science) the branch of geology concerned with ordering and dating of events in the earth's history, including the origin of the earth itself
geochronological, geochronologic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌdʒi oʊ krəˈnɒl ə dʒi)

the chronology of the earth, as based on both absolute and relative methods of age determination.
ge`o•chron`o•log′ic (-ˌkrɒn lˈɒdʒ ɪk) ge`o•chron`o•log′i•cal, adj.
ge`o•chro•nol′o•gist, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the branch of geology that describes the past in terms of geologic rather than human time. — geochronologist, n. — geochronologic, geochronological, adj.
See also: Earth
the chronology of the earth as induced from geologic data. — geochronologist, n.geochronologic, geochronological, adj.
See also: Time
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.


earth's history
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
'Taking this into account, we are also better able to understand how loneliness is experienced across the life course, rather than trying to establish an absolute age at which people feel most lonely.'
This will prove the absolute age of the late Palaeolithic settlement, i.e.
As always, whenever I agree to these talks, it seems an absolute age before the event and it is put in the 'in the future tray' of my head.
He said: "It must be coming home because if Voix D'Eau can win his first race in what seems an absolute age then I'm sure England must be in with every chance of reliving 1966 and winning this week.
This literally means that they take an absolute age to bath, wash, clean teeth, put pyjamas on and actually get into bed.
Simply put this is the best it's been for an absolute age.
The risk of neuropathy for patients with CD was not affected by gender, absolute age, or age at diagnosis.
And then there's an endurance testing set-up that goes on for an absolute age.
The researchers found that three sites lack absolute age control: at Chobot, Alberta, the three Clovis points found lack stratigraphic context, and the majority of other diagnostic artifacts are younger than Clovis by thousands of years; at Morley, Alberta, ridges are assumed without evidence to be chronologically correlated with Ice Age hills 2,600 kilometers away; and at Paw Paw Cove, Maryland, horizontal integrity of the Clovis artifacts found is compromised, according to that site's principal archaeologist.
* And one more thing: Pensioners who reach the "absolute age for receiving a state old-age pension" (70 for men and 68-70 for women) are not required to make National Insurance Institute payments if they are still working.
They're the most exciting, talented and downright super sound band we've come across in an absolute age. Their gig in the Black Box earlier this year is one of the most special things we've ever been to, a true shining highlight in their still-short acclaimed careers.