: pressure exerted by air: a : atmospheric pressure b : the pressure within a container due to the compression of atmospheric gases Air pressure in the car tire was measured in pounds per square inch.Word History First Known Use 1837, in the meaning defined above Time Traveler The ...
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...
The meaning of PRESSURE is the burden of physical or mental distress. How to use pressure in a sentence.
pressure (P) [presh´ur] force per unit area. arterial pressure (arterial blood pressure) blood pressure (def. 2). atmospheric pressure the pressure exerted by the atmosphere, usually considered as the downward pressure of air onto a unit of area of the earth's surface; the unit of ...
the part of the armed services which uses aircraft.the army, navy and air force.fuerzas aéreas ˈair-gunnoun a gun that is worked by air under pressure.pistola de aire comprimido air hostess a young woman who looks after passengers in an aircraft.azafata de avión ...
every air molecule that bumps into any object exerts a force. Atmospheric pressure is simply the sum of those many forces. On average, the atmospheric pressure on Earth, at sea level, is 14.7 pounds per square inch. This means that there is a force of almost fifteen pounds pushing against...
Atmospheric pressure, often noted aspa, is the pressure of the Earth's atmosphere. When you are standing outside in the air, the atmospheric pressure is the average force of all of the air above and around you pushing in on your body. ...
Open the window and let the room air out. to be broadcast or televised. adjective operating by means ofair pressureor by acting upon air: an air drill; an air pump. of or relating to aircraft or to aviation: air industry. taking place in the air;aerial: ...
millibars. This value describes the amount of pressure exerted by the weight of the atmosphere or air molecules in a particular area. The pressure definition in chemistry is also force per unit area, where force is typically caused by the collisions of air molecules on the walls of the ...
The meaning of PRESSURE FAN is a fan supplying air under pressure.