The gases surrounding the Earth or any astronomical body. / The air in a particular place.

plural of atmosphere

Of, relating to, produced by, or coming from the atmosphere. / (painting) Translucent or hazy. / Evoking a particular emotional or aesthetic quality.

The conversion of venous into arterial blood

radio interference caused by pulses of electromagnetic radiation in the atmosphere as the result of lightning and other events (both natural and man-made)

In an atmospheric manner. / With regard to the atmosphere.

atmospheric

(meteorology) The mesosphere and stratosphere

(meteorology) The troposphere and lower stratosphere

Pressure waves in the atmosphere similar to the tides of the ocean, produced by the gravitational influence of the moon and by thermal expansion and contraction.