Weight of the atmosphere on a surface. At sea-level, the average atmospheric pressure is 1013.25 millibars. Pressure is measured by a device called a barometer.

[Gk. atmos, vapor + sphaira, globe] The weight of the Earth's atmosphere over a unit area of the Earth's surface.

The force exerted by the weight of the atmosphere, per unit area. see also: Barometric Pressure

The pressure exerted by the earth's atmosphere at any given point, determined by taking the product of the gravitational acceleration at the point and the mass of the unit area column of air abov [..]

force per unit area exerted by the mass of the atmosphere as gravity pulls it to Earth. Read more in the NG Education Encyclopedia

(Also called barometric pressure.) The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the "column" of air lying directly above the point in ques [..]

The amount of force exerted over a surface area, caused by the weight of air molecules above it. As elevation increases, fewer air molecules are present. Therefore, atmospheric pressure always decreases with increasing height. A column of air, 1 square inch in cross section, measured from sea level to the top of the atmosphere would weigh approxima [..]

Pressure exerted by the atmosphere at any specific location. (Sea level pressure is approximately 14.7 pounds per square inch absolute.)

(also called air pressure or barometric pressure) Generally, the pressure asserted by the mass of the column of air directly above any specific point. Source: NOAA-NWS ERH.

Ambient pressure created near the earth's surface by large air cells that circulate around the globe. atoke

See PRESSURE, ATMOSPHERIC.

The weight of the air at a specific location and height.

The force per unit area at a given location on the Earth caused by the weight of the air above it. At sea level, this pressure is about 10 N per cm2 (101.3 kPa in SI units).

The pressure of the weight of air and water vapour on the surface of the earth.

The weight of a 1 square inch column of the earth’s atmosphere. At sea level, atmospheric pressure is 14.696 pounds per square inch.

The weight of the air mass that surrounds Earth and exerts pressure on all points of the planet (Lesson 28)

The weight of a 1 unit column of the earth's atmosphere.

At sea level, atmospheric pressure is 14.7 psi.

The weight of a 1 square inch column of the earth's atmosphere. At sea level this pressure is 14.696 pounds per square inch.

The weight of a 1-unit column of the earth’s atmosphere.

Pressure exerted by the atmosphere at any specific location. (Sea level pressure is approximately 14.7 pounds per square inch (1.01 bar) (101.34 kPa) absolute).

The mean absolute pressure of the atmosphere measured at the place of installation of the pump.

the weight of a 1 square inch column of the earth’s atmosphere. At sea level this pressure is 14.696 pounds per square inch.

Air pressure at sea level. Taken as 101.3 kPa.

is the force per unit area (pressure) exerted by the weight of air in the atmosphere above it. As elevation increases, there is less overlying atmospheric mass, so atmospheric pressure decreases with [..]

The weight of a 1 square inch column of the earth’s atmosphere. At sea level, atmospheric pressure is 14.696 pounds per square inch.

The measure in weight of a 1 square inch column of the atmosphere.

The Pressure at any point in an Atmosphere due solely to the weight of the atmospheric Gases above the point concerned.

The pressure asserted by the mass of the column of air directly above any specific point.

Also called barometric pressure. The weight of the atmosphere, an average of 1013.2 millibars or 29.2 inches of mercury at sea level. Measuring the changes in atmospheric pressure can help predict wea [..]

The pressure at any point in an atmosphere due solely to the weight of the atmospheric gases above the point concerned.

The amount of force exerted over a surface area, caused by the weight of air molecules above it. As elevation increases, fewer air molecules are present. Therefore, atmospheric pressure always decreas [..]

The measured ambient pressure for a specific location and altitude.

The pressure asserted by the mass of the column of air directly above any specific point (also called air pressure or barometric pressure).

The weight of a 1 square inch column of the earth’s atmosphere. At sea level, atmospheric pressure is 14.696 pounds per square inch.

The pressure exerted upon the earth's surface by the air because of the gravitational attraction of the earth. Standard atmosphere pressure at sea level is 14.7 pounds per square inch (psi). Meas [..]

The weight of a 1 square inch column of the earth’s atmosphere. At sea level, atmospheric pressure is 14.696 pounds per square inch.

The pressure exerted upon the earth's surface by the weight of the atmosphere above it.

The measured ambient pressure for a specific location and altitude in PSI (pounds per square inch). Automatic Sequencer

the pressure

The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the “column” of air lying directly above the point in question.

The pressure of approxinmately 14.7 pounds per square inch (psi) exerted at sea level in all directions by the atmosphere.

The pressure exerted by the earth's atmosphere at any given point, determined by taking the product of the gravitational acceleration at the point and the mass of the unit area column of air above the point.

The measured surrounding pressure of a particular location and its altitude.

The force exerted by the weight of the atmosphere and gravity. Weather forecasters refer to high pressure and low pressure systems when discussing weather conditions. Weather forecasters refer to high pressure and low pressure systems when discussing weather conditions. Pressure is recorded in many different units: atmospheres (atm), millibars (mb) [..]

The pressure exerted by the atmosphere.

The pressure exerted by the atmosphere at a given point. Its measurement can be expressed in several ways. One is in millibars. Another is in inches or millimeters of mercury (Hg); Related term: barometric pressure.

The pressure exerted by the atmosphere at a given point. This is also called barometric pressure. Atmospheric pressure is measured with a barometer in units of millibars or inches of mercury.

(also called air pressure

The pressure exerted by the atmosphere at a given point. Its measurement can be expressed in several ways. One is in millibars. Another is in inches or millimeters of mercury (Hg).

The pressure exerted by the atmosphere at a given point. Its measurement can be expressed in several ways. One is in millibars. Another is in inches or millimeters of mercury (Hg). AURORA

The pressure exerted by the atmosphere at a given point. Its measurement can be expressed in several ways. One is in millibars. Another is in inches or millimeters of mercury (Hg). Also known as barom [..]

The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the "column” of air lying directly above the point in question.

The pressure

The weight per unit area of the column of air above a certain point. We use hectopascals to measure this. An average figure is 1013 hPa. This equals about 10 tonnes per square metre. Sounds like a lot right? But we're built to handle it.

The pressure exerted by the earth's atmosphere at any given point, determined by taking the product of the gravitational acceleration at the point and the mass of the unit area column of air abov [..]

See barometric pressure

The pressure exerted by the atmosphere at a given point. Its measurement can be expressed in several ways. One is in millibars. Another is in inches or millimeters of mercury (Hg).

Pressure exerted by the weight of the atmosphere; standard atmospheric pressure is 101.325 kPa or 1.01325 bars or 14.696 psia or 29.921 inches of mercury at sea level.

(physics,meteorology) The pressure caused by the weight of the atmosphere above an area. * date=2013-06-07|author=David Simpson |volume=188|issue=26|page=36|magazine={{w|The Guardian Weekly |title= [..]

The pressure due to the weight of the atmosphere (air and water vapor) on the earth's surface. The average atmospheric pressure at sea level has been defined as 14.696 pounds per square inch absolute - see PSIA.