disturbance

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disturbance

1. Law an interference with another's rights
2. Geology
a. a minor movement of the earth causing a small earthquake
b. a minor mountain-building event
3. Meteorol a small depression
4. Psychiatry a mental or emotional disorder
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

disturbance

[də′stər·bəns]
(communications)
An undesired interference or noise signal affecting radio, television, or facsimile reception.
(control systems)
An undesired command signal in a control system.
(geology)
Folding or faulting of rock or a stratum from its original position.
(meteorology)
Any low or cyclone, but usually one that is relatively small in size and effect.
An area where weather, wind, pressure, and so on show signs of the development of cyclonic circulation.
Any deviation in flow or pressure that is associated with a disturbed state of the weather, such as cloudiness and precipitation.
Any individual circulatory system within the primary circulation of the atmosphere.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.