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cyclonic - 3 dictionary results

cy⋅clon⋅ic

[sahy-klon-ik]
–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


cy⋅clon⋅i⋅cal⋅ly, adverb
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.

Cyclonic

Cy*clon"ic\ (s?-kl?n"?k), a. Pertaining to a cyclone.
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