dis·turb·ance

[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

non·dis·turb·ance, noun
pre·dis·turb·ance, noun


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


3. order.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To disturbance
00:10
Disturbance is always a great word to know.
So is polar outbreak. Does it mean:
a vigorous thrust of cold, polar air across temperate regions
a cloud consisting of broad, parallel bands oriented perpendicularly to the wind
Collins
World English Dictionary
disturbance (dɪˈstɜːbəns) [Click for IPA pronunciation guide]
 
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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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Example sentences
We still need to minimize disturbance by people during breeding.
Differential rotation causes any disturbance in the disk to wind up into a
  spiral form.
It also ensures these goods and services recover relatively rapidly after an
  accident or natural disturbance.
Although he couldn't have known it at the time, loosestrife encircled the pond
  so rapidly because it thrives on disturbance.
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