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)

atmospheric

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

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

plural of atmosphere

The mixture of gases surrounding the Earth; the feeling that a place or situation gives you

(art) A technique in which an illusion of depth is created by painting more distant objects with less clarity, and with a lighter tone

plural of atmospheric hammer

plural of atmospheric engine