| Cyclone (cyclone) |
|---|
| n. | (s?"kl?n) |
|---|
| Cy"clone |
| [Gr.(?)(?)(?)(?)(?) moving in a circle, p. pr. of
(?)(?)(?)(?)(?), fr. ky`klos circle.] (Meteor.) |
A violent storm, often of vast extent, characterized by high
winds rotating about a calm center of low atmospheric pressure.
This center moves onward, often with a velocity of twenty or
thirty miles an hour.
|
| Cyclone (cyclone) |
|---|
| n. | |
|---|
| Cy"clone |
|
In general, a condition of the atmosphere
characterized by a central area of pressure much lower than that of
surrounding areas, and a system of winds blowing inward and around
(clockwise in the southern hemisphere and counter-clockwise in the
northern); -- called also a low-area storm. It is attended by
high temperature, moist air, abundant precipitation, and clouded sky.
The term includes the hurricane, typhoon, and tropical storms; it
should not be applied to the moderate disturbances attending ordinary
areas of low pressure nor to tornadoes, waterspouts, or "twisters," in
which the vertical motion is more important than the
horizontal.
A tornado. See above, and
Tornado.
|
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In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 