upheaval

[uhp-hee-vuhl]
noun
1.
strong or violent change or disturbance, as in a society: the upheaval of war.
2.
an act of upheaving, especially of a part of the earth's crust.
3.
the state of being upheaved.
4.
Geology. an upward warping of a part of the earth's crust, forcing certain areas into a relatively higher position than before.

Origin:
1830–40; upheave + -al2


1. disruption, disorder, turmoil.
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World English Dictionary
upheaval (ʌpˈhiːvəl)
 
n
1.  a strong, sudden, or violent disturbance, as in politics, social conditions, etc
2.  geology another word for uplift

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Etymonline
Word Origin & History

upheaval
1838, in geology, from M.E. verb upheave (c.1300), from up + heave (v.). Cf. O.Fris. upheva, O.H.G. ufhevan, Ger. aufheben. Fig. sense, with ref. to convulsions of society, etc., recorded from 1850.
Online Etymology Dictionary, © 2010 Douglas Harper
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