cyclonic

[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, cyclonical.


Origin:
1855–60; cyclone + -ic

cyclonically, adverb
precyclonic, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cyclone (ˈsaɪkləʊn)
 
n
1.  another name for depression
2.  a violent tropical storm; hurricane
 
[C19: from Greek kuklōn a turning around, from kukloein to revolve, from kuklos wheel]
 
cyclonic
 
adj
 
cy'clonical
 
adj
 
'cyclonal
 
adj
 
cy'clonically
 
adv

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Example sentences
Clouds moved in every direction resembling cyclonic clouds.
The presence of cyclonic flow is particularly problematic, and sampling should be avoided where cyclonic flow is present.
In these instances, the presence or absence of cyclonic flow at the sampling location must be determined.
Embedded with a large cyclonic envelope, the storm's motion became erratic.
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