air pressure

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air′ pres`sure

the force exerted by air, whether compressed or unconfined, on any surface in contact with it.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.air pressure - the pressure exerted by the atmosphereair pressure - the pressure exerted by the atmosphere
gas pressure - the pressure exerted by a gas
barometric pressure - atmospheric pressure as indicated by a barometer
compartment pressure - the air pressure maintained in an air-tight compartment (as in an aircraft)
overpressure - a transient air pressure greater than the surrounding atmospheric pressure; "the overpressure of the blast kills by lethal concussion"
sea-level pressure - the atmospheric pressure reduced by a formula to the pressure at sea level
References in classic literature ?
The lesser attraction of this smaller planet and the reduced air pressure of its greatly rarefied atmosphere, afforded so little resistance to my earthly muscles that the ordinary exertion of the mere act of rising sent me several feet into the air and precipitated me upon my face in the soft and brilliant grass of this strange world.
They were rapidly disappearing when it occurred to me to follow them, and so, hurling caution to the winds, I sprang across the meadow in their wake with leaps and bounds even more prodigious than their own, for the muscles of an athletic Earth man produce remarkable results when pitted against the lesser gravity and air pressure of Mars.
My muscles, perfectly attuned and accustomed to the force of gravity on Earth, played the mischief with me in attempting for the first time to cope with the lesser gravitation and lower air pressure on Mars.
Twice at least I saved my breast from the mortal thrust of piercing steel only by the wondrous agility with which my earthly muscles endow me under the conditions of lesser gravity and air pressure upon Mars.
Some freak of air pressures and air currents, he reflected, had made it possible for the sound to carry so far.
26, 2015 /PRNewswire/ -- This report analyzes the worldwide markets for Pressure Ulcer Treatment Products in US$ Million by the following Segments: Air Fluidized Beds, Low Air Loss Beds, Alternating Air Pressure Mattresses, Foam Mattresses, Other Full Support Products, and Local Area Support Products.
In regard to the Patriots "deflate-gate,'' as the temperature of the air becomes lower, air pressure also decreases.
The idea is to create a vessel to hold enough air pressure and air volume to propel a potato when the air is dumped.
Sounds are played while the air pressure in the ear is varied.
Key statement: The first invention relates to a vehicle with pneumatic tires characterized in that the vehicle comprises a cooling unit which expels a fluid to cool the pneumatic tire from the outside thereof at least when the air pressure of the pneumatic tire decreases.
JAL was forced to use another aircraft for a flight scheduled from Tokyo to Beijing after it found a fault with an air pressure sensor in the Dreamliner's battery container, Kyodo News and Jiji Press said.