upthrow
Americannoun
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an upheaval, as of the earth's surface.
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Geology. an upward displacement of rock on one side of a fault.
verb (used with object)
noun
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geology the upward movement of rocks on one side of a fault plane relative to rocks on the other side
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rare an upward thrust or throw; upheaval
Etymology
Origin of upthrow
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The upthrow is uniformly on the eastern side of the fault.
From A Study of Recent Earthquakes by Davison, Charles
Out, traitor!" cried the girl with a quick, scornful upthrow of the chin, "it is the smile that saves you, Louis, lad.
From Patsy by Crockett, S. R. (Samuel Rutherford)
There has also been a certain amount of upthrow owing to the hydrostatic pressure.
From The Birth-Time of the World and Other Scientific Essays by Joly, John
In Figure 184 the right side has gone down relatively to the left; the right is the side of the downthrow, while the left is the side of the upthrow.
From The Elements of Geology by Norton, William Harmon
Thrust faults hade to the upthrow; the hanging wall has gone up.
From The Elements of Geology by Norton, William Harmon
Then, the vast volcano burst; rent the whole mass; upthrew the ancient rocks; which now in divers mountain tops tell tales of what existed ere Mardi was completely fashioned.
From Mardi: and A Voyage Thither, Vol. II by Melville, Herman
Then, quick The sash upthrowing, she made as if to speak Harshly; but still he held his quiet eyes Upon her.
From Rose and Roof-Tree — Poems by Lathrop, George Parsons
This a modern example of a Gilbert-type delta, which is a delta composed primarily of coarse material actively eroded from the mountainous upthrown block to the north.
From Textbooks ● Jan. 1, 2017
She closed her eyes, pillowed her head on her upthrown arms, and sank into a wide, bright reverie, which grew dimmer and vaguer as the slow changeless hours filed by.
From Hillsboro People by Fisher, Dorothy Canfield
With respect to the age at which the several parallel ridges composing the Cordillera were upthrown, I have little evidence.
From Geological Observations on South America by Darwin, Charles
"My dear fellow, of all the impulsive, of all the amazing men," he began; but got no further, for Cleek's upthrown hand checked him.
From The Riddle of the Night by Hanshew, Thomas W.
He threw back his narrow chest and stuck his fingers in his waistcoat and surveyed his interlocutor with upthrown chin.
From The Riddle of the Spinning Wheel by Hanshew, Mary E.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
