atmosphere

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atmosphere

 [at´mos-fēr]
1. the entire gaseous envelope surrounding the earth and subject to the earth's gravitational field.
2. the air or climate in a particular place. adj., atmospher´ic.
3. a unit of pressure, being that exerted by the earth's atmosphere at sea level; equal to 1.01325 × 105pascals (approximately 760 mm Hg). Abbreviated atm.

at·mos·phere

(at'mŏs-fēr),
1. Any gas surrounding a given body; a gaseous medium.
See also: standard atmosphere, torr.
2. A unit of air pressure equal to 101.325 kPa.
See also: standard atmosphere, torr.
[atmo- + G. sphaira, sphere]

atmosphere

/at·mos·phere/ (at´mos-fēr)
1. the entire gaseous envelope surrounding the earth and subject to the earth's gravitational field.
2. the air or climate in a particular place.
3. a unit of pressure, being that exerted by the earth's atmosphere at sea level; equal to 1.01325 × 105pascals (approximately 760 mm Hg). Abbreviated atm.

atmosphere (atm)

[at′məsfir]
Etymology: Gk. atmos, vapor, sphaira, sphere
1 the natural body of air covers the surface of the earth. It is composed of approximately 20% oxygen, 78% nitrogen, and 1% argon and other gases, including small amounts of carbon dioxide hydrogen, and ozone as well as traces of helium, krypton, neon, and xenon and varying amounts of water vapor.
2 an envelope of gas, which may or may not duplicate the natural atmosphere in chemical components.
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.

at·mos·phere

(at'mŏs-fēr)
1. Any gas surrounding a given body; a gaseous medium.
2. A unit of air pressure equal to 101.325 kPa.
See also: standard atmosphere
[atmo- + G. sphaira, sphere]

atmosphere

the gaseous envelope surrounding a particular body such as the earth, or the gaseous content of a given structure or container.

Atmosphere

A measurement of pressure. One atmosphere equals the pressure of air at sea level (14.7 pounds per square inch [psi]).

atmosphere (atm),

n the natural body of air, composed of approximately 20% oxygen, 78% nitrogen, and 2% carbon dioxide and other gases.
References in periodicals archive ?
Efficient degradation of organic pollutants in aqueous solution with bicarbonate-activated hydrogen peroxide, Chemosphere 82: 1190-1195.
2010, "Practical issues relating to soil column chromatography for sorption parameter determination," Chemosphere, 80, pp.
Removal of natural organic matter from drinking water by advanced oxidation processes, Chemosphere, 80: 351-365.
The effect of operating variables on chelant-assisted remediation of contaminated dredged sediment, Chemosphere 66(5): 866-877.
An overview of the methods used in the characterisation of natural organic matter (NOM) in relation to drinking water treatment, Chemosphere 83(11): 1431-1442.
and his colleagues suggest that PBDEs may disrupt some of the same communication processes, reports McDonald in an upcoming issue of CHEMOSPHERE.
Moreover, the number of petentially toxic chemicals formed by pulp bleaching complicates assessments of whether any need exists to limit them, note Donald Mackay and his University of Toronto colleagues in the July 1988 CHEMOSPHERE.
Content and distribution of forms of organic N in soil and particle size fractions after cong-term fertilization chemosphere.