anticyclone

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an·ti·cy·clone / ˌantēˈsīklōn; ˌantī-/ • n. a weather system with high atmospheric pressure at its center, around which air slowly circulates in a clockwise (northern hemisphere) or counterclockwise (southern hemisphere) direction.DERIVATIVES: an·ti·cy·clon·ic / -sīˈklänik/ adj.

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