Noun
The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the emission of bank notes.
That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood.
Source: Webster's dictionaryApproximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources. Ronald Reagan
A balanced treaty between Canada and Europe, aimed at promoting a partnership for fair and sustainable development, should begin by specifying the emission targets of each signatory and the practical commitments to achieve these. Thomas Piketty
The hydrogen powered car, with its high fuel mileage and zero emission rate, is just one example of the products under development that will help increase our energy independence. Dan Lipinski
Undoubtedly, at the moment, the major cause of CO2 emission is what happens in developed countries. Chris Patten
In this case, the particle formed has correspondingly less energy, whereas the product nucleus passes into the ground state with emission of the quantity of energy saved as gamma radiation. Walther Bothe
That the emission of light must waste the sun, is not a difficulty that can be opposed to our hypothesis. William Herschel