define air pressure
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- U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Air Pressure. The force per unit area that the air exerts on any surface in contact with it. Primarily used for articles pertaining to air pressure within a closed environment.
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- Pagination for search results. This is the median price based on sales of this product in the same condition from all listings on ebay.com in the past 14 days, or if there are any insufficient number of listings for a meaningful calculation, the past 90 days.Top Rated Plus.Learn More.his is the median price based on sales of this product in the same condition from all listings on ebay.com in the past 14 days, or if there are any insufficient number of listings for a meaningful calculation, the past 90 days. Top Rated Plus. Learn More.
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Air Pressure, Temperature, and Density at Altitude Density is the amount of mass per a unit of volume in a substance. Air pressure is when the atmosphere of the earth is pressing down on everything on it. The atmosphere is made out of gases, and those press down incredibly hard on to us, even though most of us don't know it.
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- atmospheric pressure - Student Encyclopedia (Ages 11 and up) The atmosphere that surrounds Earth has weight and pushes down on anything below it. The weight of air above a given area on Earth’s surface is called atmospheric pressure. It is an important factor influencing Earth’s weather and climate. Atmospheric pressure can be measured with an instrument called a barometer and thus is also known as barometric pressure.
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Atmospheric pressure Atmospheric pressure. Air pressure redirects here. For the pressure of air in other systems, see Pressure. Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet). In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point. As elevation increases, there is less overlying atmospheric mass, so that atmospheric pressure decreases with increasing elevation.
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Air Pressure (Lauren) Air Pressure can be defined as the pressure of air in the earths atmosphere. It reaches a maximum of about. 100,000 Pa near sea level and decreases as altitude increases. More simply, it is the force exerted by the weight of the air. Even though air molecules are invisible, they still have mass and take up space.
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- HOW DOES AIR PRESSURE AFFECT THE BODY? Air pressure is the force that is exerted on you by air molecules, being the weight of tiny air particles. Atmospheric pressure is a measure of the force exerted by the atmosphere, so therefore at any point on the earth’s surface, there is a quantity of air sitting above your body.
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Atmospheric pressure Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere of Earth (or that of another planet). In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point.he standard atmosphere (symbol: atm) is a unit of pressure equal to 101325 Pa or 1013.25 hectopascals or millibars. Equivalent to 760 mmHg (torr), 29.92 inHg, 14.696 psi.
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- Check your grammar now! : 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.
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Frankenstein in popular culture Boris Karloff as Frankenstein's monster in Bride of Frankenstein. Mary Shelley's 1818 novel Frankenstein, and the famous character of Frankenstein's monster, have influenced popular culture for at least a century. The work has inspired numerous films, television programs, video games and derivative works.
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Pressure Pressure means how much something is pushing on something else. It is expressed as force per unit area: P=F/A. In technology, pressure is often specified in multiples of atmospheric pressure. It can also be defined as the thrust [compressive force acting perpendicularly to the surface of a body] acting per unit area.
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pressure pressure. n. 1. the state of pressing or being pressed. 2. the exertion of force by one body on the surface of another. 3. a moral force that compels: to bring pressure to bear.4. an urgent claim or demand or series of urgent claims or demands: to work under pressure. 5. a burdensome condition that is hard to bear: the pressure of grief.ressure-the pressure exerted by the atmosphere. air pressure, atmospheric pressure. gas pressure-the pressure exerted by a gas. barometric pressure-atmospheric pressure as indicated by a barometer.
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air pressure definition, air pressure meaning | English dictionary 1 (Physics) the point in a body at which the resultant pressure acts when the body is immersed in a fluid. 2 (Aeronautics) the point at which the resultant aerodynamic forces intersect the chord line of the aerofoil.
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What IS this strange sound from the sky? Noise heard across the globe for nearly a DECADE - but nobody has an explanation . Atmospheric Pressure force exerted by the weight of the air. Atmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. In the diagram below, the pressure at point X increases as the weight of the air above it increases.tmospheric pressure is defined as the force per unit area exerted against a surface by the weight of the air above that surface. In the diagram below, the pressure at point X increases as the weight of the air above it increases.
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pressure gas pressure - the pressure exerted by a gas. head - the pressure exerted by a fluid; a head of steam. hydrostatic head - the pressure at a given point in a liquid measured in terms of the vertical height of a column of the liquid needed to produce the same pressure.
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Overview - page 3 Atmospheric pressure is the amount of force exerted over a surface area, caused by the weight of air above it. Since fewer air molecules are present at higher elevations, atmospheric pressure decreases as altitude increases. The most common unit of measure for atmospheric pressure is the millibar (mb). On Earth, the average atmospheric pressure at sea level is 1,013 mb, while on Mars it is only 7.5 mb.
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Atmospheric Pressure Atmospheric pressure is the force that the weight of air exerts on a surface. It is usually estimated through hydrostatic pressure, which is produced by the total weight of air above the spot to be measured. This type of pressure can be applied in many industrial processes, including corrosion protection.
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Atmospheric Pressure: Definition & Facts Atmospheric pressure is the force per unit area exerted by the weight of the atmosphere. To measure that weight, meteorologists use a barometer. It was Evangelista Torricelli, an Italian physicist and mathematician who proved in 1643 that he could weigh the atmosphere against a column of mercury.
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pressure [noncount] : the weight of the air in the Earth's atmosphere. the normal air pressure at sea level. atmospheric pressure. Pressure fell [=the air became lighter] as the storm approached. An area of high/low pressure [=heavy/light air] is moving over the west coast.
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Translations for air pressure U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: The force per unit area that the air exerts on any surface in contact with it. Primarily used for articles pertaining to air pressure within a closed environment.
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- Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere of Earth (or that of another planet). In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point.he boiling point is the temperature at which the vapor pressure is equal to the atmospheric pressure around the water. Because of this, the boiling point of water is lower at lower pressure and higher at higher pressure.
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Density of air The density of air, ρ (Greek: rho) (air density), is the mass per unit volume of Earth's atmosphere. Air density, like air pressure, decreases with increasing altitude. It also changes with variation in temperature or humidity. At sea level and at 15 °C, air has a density of approximately 1.225 kg/m3 (0.001225 g/cm 3, 0.0023769 slug /ft 3, 0.0765 lbm /ft 3) according to ISA (International Standard Atmosphere).
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Atmosphere It is determined by a planet's gravitational force in combination with the total mass of a column of gas above a location. On Earth, units of air pressure are based on the internationally recognized standard atmosphere (atm), which is defined as 101,325 Pa (760 Torr or 14.696 psi).
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An Explanation of Pressure and the Laws  of Boyle, Charles, Dalton, and Henry 3 a unit of gas pressure that is usually defined as being equivalent to the average pressure of the earth's atmosphere at sea level, or about 14.7 pounds per square inch or 760 mm Hg. atmospheric, adj.
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atmosphere The Earth's atmosphere, called air, is rich in nitrogen and oxygen; that of Venus is mainly carbon dioxide. Compare asthenosphere, hydrosphere, lithosphere. 2. A unit of pressure equal to the pressure of the air at sea level, about 14.7 pounds per square inch or 1,013 millibars.
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- Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere of Earth (or that of another planet).In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point.tmospheric pressure is the pressure exerted by the weight of air in the atmosphere of Earth (or that of another planet).