any of several bodily processes by which substances go out of the body; "the discharge of pus"
release of pollutants into the air from a source We say sources emit pollutants Continuous emission monitoring systems (CEMS) are machines which some large sources are required to install, to make continuous measurements of pollutant release
That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood. Emission theory (Physics), the theory of Newton, regarding light as consisting of emitted particles or corpuscles. See Corpuscular theory, under Corpuscular
Discharges into the atmosphere from such sources as smokestacks, residential chimneys, motor vehicles, locomotives, and aircraft
The release of a photon from an atom when an electron in the atoms jumps from a higher to a lower energy level
Pollution discharged into the atmosphere from smokestacks, other vents and surface areas of commercial or industrial facilities; from residential chimneys; and from motor vehicle, locomotive or aircraft exhausts
One or more substances released to the water, air or soil in the natural environment See also environmental release, pollution and environmental intervention
With respect to EMR, the process by which a body emits EMR usually as a consequence of its temperature only
The release or discharge of a substance into the environment; generally refers to the release of waste products (Solids, liquids, or gases) into the air, water, or soil
Release of pollutants into the air from a source We say sources emit pollutants Continuous emission monitoring systems (CEMS) are machines, which some large sources are required to install, to make continuous measurements of pollutant release