Meteorology. An area of high or low atmospheric pressure, or the associated pattern of winds and air movements, considered as a unit in the…
| 单词 | θ7745 |
| 释义 | the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > atmospheric pressure > cyclone or anticyclone (8) system1867 Meteorology. An area of high or low atmospheric pressure, or the associated pattern of winds and air movements, considered as a unit in the… cyclone1875 Meteorology. A system of winds rotating around a centre of minimum barometric pressure, the centre and whole system having itself also a motion of… anticyclone1877 The rotatory outward flow of air from an atmospheric area of high pressure; also, the whole system of high pressure and outward flow. mesocyclone1963 A rotating column of rising air associated with a small area of low pressure, which may develop into a tornado. Subcategories:— cyclical variation in southern hemisphere (1) — principle or process of movement (2) — line from centre towards advancing side (1) |
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