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[mass noun] The pressure exerted by the weight of the atmosphere, which at sea level has a mean value of 101,325 pascals (roughly 14.6959 pounds per square inch).
meteorological conditions, atmospheric conditions, meteorology, climateView synonyms
- ‘Conversely, the lower atmospheric pressure on a mountain top makes it harder to get boiling water hot enough for good tea or coffee.’
- ‘To keep it running, you have to keep the pressure in the hose higher than atmospheric pressure.’
- ‘It has been suggested that, perhaps by sensing changes in atmospheric pressure, birds can perceive the approach of major weather systems.’
- ‘As gifted in science as in letters, he did important work in geometry, hydrodynamics, and atmospheric pressure, and invented a calculating machine, a syringe, and a hydraulic press.’
- ‘At pressures substantially below normal atmospheric pressure, more substances can be made to sublime.’
- ‘The surface pressure on Mars is less than 1% of the earth's atmospheric pressure at sea level.’
- ‘The Arctic Oscillation is a seesaw pattern in which atmospheric pressure at the polar and middle latitudes fluctuates between positive and negative phases.’
- ‘The atmospheric pressure is in our comfort range, along with the gravity.’
- ‘Where Boulton and Watt were persisting with using the power of atmospheric pressure to force a piston to move, Murdock used the pressure of the steam to move a tiny 20 mm piston inside a small cylinder.’
- ‘During the winter, strong areas of high atmospheric pressure dominate.’
- ‘He would record the temperature, atmospheric pressure, the degree of cloud cover, whether there was rain or snow.’
- ‘From about this time Pascal began a series of experiments on atmospheric pressure.’
- ‘Other manometers contain a sealed-off vacuum at one end, so that changes in atmospheric pressure don't have to be accounted for in calculations.’
- ‘In this case, the collapse is actually attributed to gravity and not atmospheric pressure.’
- ‘Every day since then she has recorded rainfall, temperature, and atmospheric pressure from her home.’
- ‘This is because in an airplane, both atmospheric pressure and humidity are low.’
- ‘If the Earth were not round, whole hemispheres would have different atmospheric pressure and significantly different sea levels.’
- ‘Water exposed to atmospheric pressure boils at approximately 100 degrees Celsius.’
- ‘Compared with total atmospheric pressure, airborne sound waves represent extremely small pressure changes.’
- ‘The pressure from this steam forced the piston upward once it was high enough to counteract the weight and atmospheric pressure on the cylinder.’
- ‘The atmospheric pressure may have been higher.’
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