The sinking down or contraction of the fluid in a barometer or thermometer (said also of the instrument itself); = fall, n.2 14b.
| 单词 | θ8628 |
| 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 > fall (2) falling1658 The sinking down or contraction of the fluid in a barometer or thermometer (said also of the instrument itself); = fall, n.2 14b. fall1664 spec. The sinking down or contraction of the fluid in a barometer, thermometer, or similar measuring instrument. Said also of the instrument itself. |
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