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.
Using a standard bicycle pump or 12-volt tire pump and an athletic ball needle, the Big Blast Cap Target Inflators are operated by air pressure that's been pumped into a plastic bottle.
specializes in manufacturing the "MicroAir" ultra low air pressure regulators for use during tubing extrusion.
superficial seasonal low air pressure accompanied by a subtropical high air pressure inthe upper layers of the atmosphere.
I 4 Inch Duplex Air Pressure Gauge Mr-Fp Self Illuminated Back Lit With Led Rdso Drg No.
by Mobin Mathew Blesson Your tyres will naturally lose 1 to 2 pounds of air pressure a month.
The drying process is done with hot air pressure, and therefore with high air pressure it has an outstanding and unique effect on fabric.
Two models are offered: the Profi TI series hoists that operate at an air pressure of 4 to 6 bar and are suitable for loads from 550 pounds to 100 metric tons; and the Mini series for lighter duty applications, operating at 6 bar air pressure and carrying loads up to 2,160 pounds.