A pressure lower than some standard pressure (stated or implied), esp. a condition of the atmosphere in which the pressure is below average (e.g. in…
| 单词 | θ7742 |
| 释义 | the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > atmospheric pressure > area of low pressure (6) low pressure1875 A pressure lower than some standard pressure (stated or implied), esp. a condition of the atmosphere in which the pressure is below average (e.g. in… low1878 Meteorology. An area of low barometric pressure, a depression; a low-pressure system. depression1881 A lowering of the column of mercury in the barometer or of the atmospheric pressure which is thereby measured; spec. in Meteorology a centre of… Subcategories:— specific shape or position (2) — subsidiary (1) |
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