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cyclonical

 - 2 dictionary results

cy⋅clon⋅ic

  [sahy-klon-ik]
Use cyclonical in a Sentence
–adjective Meteorology.
1. of or pertaining to a cyclone.
2. describing a direction of rotation that is counterclockwise in the Northern Hemisphere, clockwise in the Southern Hemisphere.
Also, cy⋅clon⋅i⋅cal.

Origin:
1855–60; cyclone + -ic

Related forms:
cy⋅clon⋅i⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To cyclonical
cy·clone   (sī'klōn')   
n.  

  1. Meteorology

    1. An atmospheric system characterized by the rapid inward circulation of air masses about a low-pressure center, usually accompanied by stormy, often destructive weather. Cyclones circulate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

    2. A violent tropical storm, especially one originating in the southwestern Pacific Ocean or Indian Ocean.

  2. A violent rotating windstorm.

  3. Any of various devices using centrifugal force to separate materials.


[From Greek kuklōn, present participle of kukloun, to rotate, from kuklos, circle; see kwel-1 in Indo-European roots.]
cy·clon'ic (-klŏn'ĭk), cy·clon'i·cal adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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