For Emission we have terms and definitions in 7 topics. The topics are Atmospheric Chemistry, Carpet, Energy, Environment, Import Cars, Sanitation and Sex.

Emission (Atmospheric Chemistry)

A substance discharged into the air, especially by an internal combustion engine.Ý The majority of the substance consists of un-burned hydrocarbons that react in the atmosphere to produce ground-level ozone.Ý Urban air gases consist of nitrogen oxides, reactive organic gases, carbon monoxide, and sulfur oxides.Ý Emission standards from EPA are just about everywhere and air pollutants are controlled from both industrial and automobile sources. [

Emission (Carpet)

Pollution discharge from a source.

Emission (Energy)

A discharge or something that is given off; generally used in regard to discharges into the air. Or, releases of gases to the atmosphere from some type of human activity (cooking, driving a car, etc). In the context of global climate change, they consist of greenhouse gases (e.g., the release of carbon dioxide during fuel combustion). Learn more about Greenhouse Gas Emissions on EIA's main website (for grown-ups).

Emission (Environment)

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.

Emission (Import Cars)

(electrical) The release of free electrons from the surface or a material.

Emission (Sanitation)

Discharge of a liquid, solid or gaseous material.

Emission (Sex)

The first stage of ejaculation, in which sperm and semen are propelled into the urethral bulb.

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