The fact, on the part of the mercury, of standing higher or lower in the tube of a barometer or thermometer; the extent or range of this.
| 单词 | θ8627 |
| 释义 | the world > the earth > weather and the atmosphere > weather > study or science of weather > meteorological instruments > [noun] > barometer > height of mercury in > (proportional) rise and fall (4) variation1719 The fact, on the part of the mercury, of standing higher or lower in the tube of a barometer or thermometer; the extent or range of this. gradient1870 transferred. Originally: the proportional amount of rise or fall of the barometer or thermometer in passing from one region to another. Now in… Subcategories:— fall (2) |
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