geological timescale

Save This Word!

noun

any division of geological time into chronological units, whether relative (with units in the correct temporal sequence) or absolute (with numerical ages attached)

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

TAKE THE QUIZ TO FIND OUT

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar help

Improve Your Writing

Meet Grammar CoachImprove Your Writing

Words nearby geological timescale

geol., geolocation, geologic, geological cycle, Geological Survey, geological timescale, geologic time, geologist, geologize, geology, geom.

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use geological timescale in a sentence

I spoke with Andy Snyder from the U.S. Geological Survey about the phenomenon.
Silicon Valley Mansions, Swallowed Alive|Geoff Manaugh|November 8, 2014|DAILY BEAST
Colossal geological forces collided: the Pacific Plate, the North American Plate and the Farralon Plate.
Napa’s Earthquake Is Not The Only Thing Shaking The Vineyards|Clive Irving|August 31, 2014|DAILY BEAST
The resulting geological violence created two adjacent valleys in northern California.
Napa’s Earthquake Is Not The Only Thing Shaking The Vineyards|Clive Irving|August 31, 2014|DAILY BEAST
But because it had not erupted in recorded history, it missed the proverbial geological radar screen.
Cleaning Up From Napa's Winepocalypse|Jordan Salcito|August 30, 2014|DAILY BEAST

The area in question was roughly defined in 2010 by the U.S. Geological Survey.
Are These Gas Fields Israel’s Next Warzone?|Christopher Dickey|February 7, 2014|DAILY BEAST
The geological character of this rock is more fully treated upon in the Appendix by my friend Dr. Fitton.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
In the same year he was appointed to an inspectorship in the Mining and Geological Department.
The Life & Letters of Peter Ilich Tchaikovsky|Modeste Tchaikovsky
It will be observed that no account is here given of the geological ages or of the successions of organic life.
Outlines of the Earth's History|Nathaniel Southgate Shaler
And so the whole fabric of geological chronology vanishes into a mere unproved notion, based upon an if.
Gospel Philosophy|J. H. Ward
He lost his life by accidently falling into Blackrock creek, near Lynchburg, Va., while on a geological excursion.
The Every Day Book of History and Chronology|Joel Munsell