predisturbance

disturbance

[dih-stur-buhns]
noun
1.
the act of disturbing.
2.
the state of being disturbed.
3.
an instance of this; commotion.
4.
something that disturbs.
5.
an outbreak of disorder; a breach of public peace: Political disturbances shook the city.
6.
Meteorology. any cyclonic storm or low-pressure area, usually a small one.
7.
Geology. a crustal movement of moderate intensity, somewhat restricted in area.

Origin:
1250–1300; Middle English disto(u)rbance < Anglo-French, Old French. See disturb, -ance

nondisturbance, noun
predisturbance, noun


2. perturbation, confusion. See agitation. 5. confusion, tumult, riot. See disorder.


3. order.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
disturbance (dɪˈstɜːbəns)
 
n
1.  the act of disturbing or the state of being disturbed
2.  an interruption or intrusion
3.  an unruly outburst or tumult
4.  law an interference with another's rights
5.  geology
 a.  a minor movement of the earth causing a small earthquake
 b.  a minor mountain-building event
6.  meteorol a small depression
7.  psychiatry a mental or emotional disorder

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

disturbance
late 13c., from O.Fr. destorbance (12c.), from destourber, from L. disturbare (see disturb).
Online Etymology Dictionary, © 2010 Douglas Harper
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