cyclone

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cy·clone / ˈsīˌklōn/ • n. Meteorol. a system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise (northern hemisphere) or clockwise (southern hemisphere) circulation; a depression. ∎ another term for tropical storm.DERIVATIVES: cy·clon·ic / sīˈklänik/ adj.cy·clon·i·cal·ly / sīˈklänik(ə)lē/ adv.

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