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upthrust

[uhp-thruhst] /ˈʌpˌθrʌst/
noun
1.
a thrust in an upward direction.
2.
a sudden and forceful upward movement, as of a nation's economy or the stock market:
Market observers are hoping the upthrust can be sustained.
3.
Geology. an upheaval.
verb (used without object)
4.
to thrust upward:
Frost caused the ground to upthrust.
Origin
1840-1850
1840-50; up- + thrust
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for up-thrust

upthrust

/ˈʌpˌθrʌst/
noun
1.
an upward push or thrust
2.
(geology) a violent upheaval of the earth's surface
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
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