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/at·mos·pher·ic/ (at″mos-fer´ik) of or pertaining to the atmosphere.


(at′mŏs-fēr″) [Gr. atmos, vapor + sphere]
1. The gases surrounding the earth.
2. Climatic condition of a locality.
3. In physics, the pressure of the air on the earth at mean sea level, approx. 14.7 lb/sq in (101,325 pascals or 760 torr).
4. In chemistry, any gaseous medium around a body. atmospheric (at″mŏs-fēr′ik), adjective

standard atmosphere

The pressure of air at sea level when the temperature is 0°C (32°F). This is equal to 14.7 lb/sq in., or 760 torr, or 101,325 pascals.


of or pertaining to the atmosphere.

atmospheric pressure
see atmospheric pressure.
References in periodicals archive ?
Video which was recorded during NASA's Orion return through Earth's atmosphere provides viewers a taste of what the vehicle endured as it returned through Earth's atmosphere during its Dec.
Scientists have pointed to carbon dioxide trapped in the Earth's atmosphere as a cause of climate change.
Theodore Yapo, a graduate student, worked with Cutler to combine and configure models for sunlight, the solar system, and different layers and different effects of the Earth's atmosphere to develop their lunar eclipse models.
Our sky looks different each day at sunset because the gases, smoke, water vapor, ice crystals, and pollution in Earth's atmosphere scatter the prism of white light in a unique way every day.
Plants take carbon dioxide out of Earth's atmosphere and use its carbon to promote their growth.
If there is one, however, it's less than one-millionth as dense as Earth's atmosphere is.
However, water vapor is far less efficient at trapping heat within Earth's atmosphere than CO2, the leading fossil-fuel-based greenhouse gas.
Earth's atmosphere naturally creates a greenhouse effect, which is what helps make life on Earth possible.
Moments later, computers inside the building began recording data on subatomic particles as they collided with the earth's atmosphere.
SORCE is a key component of NASA's Earth Observing System (EOS) program and will carry four instruments to measure the solar radiation incident at the top of the Earth's atmosphere (640 km altitude).
To be flown on the US National Aeronautics and Space Administration's (NASA) Earth Observing System Chemistry satellite during 2002, the HIRDLS is intended to scan, a designated section of the earth's atmosphere for specified chemical compounds (including ozone) once every orbit.
It will, like a meteor, flame into the Earth's atmosphere.