air pressure

Definitions of air pressure
  1. noun
    the pressure exerted by the atmosphere
    synonyms: atmospheric pressure, pressure
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    types:
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    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
    sea-level pressure
    the atmospheric pressure reduced by a formula to the pressure at sea level
    type of:
    gas pressure
    the pressure exerted by a gas
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