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air pressure

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.air pressureair 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


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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.
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.
 
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