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en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the ... The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar), equivalent to 760 mmHg (torr), 29.92 inHg and ...

en.wikipedia.org/wiki/Atmosphere_(unit)

The ata unit is used in place of atm to indicate that the pressure shown is the total ambient pressure, compared ...

units.wikia.com/wiki/Atmospheric_pressure

The original article was at Atmospheric pressure. The list of authors can be seen in the page history. As with the Units of Measurement wiki, the text of the ...

www.britannica.com/science/standard-atmosphere-unit-of-measurement

Standard atmosphere, unit of pressure, equal to the mean atmospheric pressure at sea level. It corresponds to the pressure exerted by a vertical column of ...

www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/gases-5/properties-of-gases-50/si-units-of-pressure-253-1861

The SI unit of pressure is the pascal (Pa), which is equal to one Newton per meter squared (N/m2). ... an instrument for measuring atmospheric pressure.

www.britannica.com/science/atmospheric-pressure

Apr 19, 2017 ... Atmospheric pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air ...

ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/prs/def.rxml

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 ...

www.sensorsone.com/atm-standard-atmosphere-pressure-unit

Standard Atmosphere is mainly used as a reference value for the average atmospheric pressure at sea level. It is often used to indicate the depth rating for a ...

www.aqua-calc.com/what-is/pressure/atmosphere

An atmosphere (atm) is a unit of pressure based on the average atmospheric pressure at sea level. The actual atmospheric pressure depends on many ...

www.barometricpressureheadache.com/what-is-barometric-pressure

Barometric pressure is also known as air pressure or atmospheric pressure and derives its name from the instrument used to measured it called a Barometer.