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emission
[ ih-mish-uhn ]
noun
- an act or instance of emitting:
the emission of poisonous fumes.
- an act or instance of issuing, as paper money.
- Electronics. a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube.
- an ejection or discharge of semen or other fluid from the body.
Synonyms:
- the fluid ejected or discharged.
Synonyms:
emission
/ ɪˈɪʃə /
noun
- the act of emitting or sending forth
- energy, in the form of heat, light, radio waves, etc, emitted from a source
- a substance, fluid, etc, that is emitted; discharge
- a measure of the number of electrons emitted by a cathode or electron gun See also secondary emission thermionic emission
at 1000°C the emission is 3 mA
- physiol any bodily discharge, esp an involuntary release of semen during sleep
- an issue, as of currency
Derived Forms
- ˈ, adjective
Other Word Forms
- ԴDze·sDz noun
- e·sDz noun
Word History and Origins
Word History and Origins
Origin of emission1
Example Sentences
The airport has also responded to the Secretary of State on a number of other matters including measures to strengthen sustainable design and reduce emissions.
Within two months the UK parliament had passed a law committing the country to bringing all greenhouse gas emissions to net zero by 2050.
Unless we reduce emissions enough to keep some of those frozen pathogens in ice.
The “State of the Air” report tracks two main types of air pollution: ozone pollution, largely a factor of tailpipe emissions and heat, and particle pollution, driven primarily by drought and wildfires.
On Earth, there are claimed environmental benefits for the technology over traditional agricultural food production methods, such as less land use and reduced greenhouse gas emissions.
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More About Emission
doesemission mean?
An emission is something that has been emitted—released or discharged. In general, emissions consist of things like gas, liquid, heat, sound, light, and radiation.
Emissions can come from natural sources or from machines. A specific example of an emission is the exhaust from cars (in the U.S., such emissions are regulated through emissions tests). This exhaust is just one form of carbon emissions—greenhouse gases from various sources that are known to contribute to global warming and climate change.
Emission can also refer to an instance or the process of emitting, as in This filter is designed to reduce the emission of light.
Example: Carbon dioxide emissions from volcanoes are much lower than those from cars and airplanes.
Where doesemission come from?
The first records of the word emission come from the early 1600s. It ultimately derives from the Latin verb ŧٳٱ, from e-, meaning “out of,” and mittere, “to send.”
An emission is something sent out from something else. Such emissions are often by-products released during the course of other processes—such as smoke being emitted from a factory or heat being emitted from a machine. Emissions from cars and airplanes come from the burning of fuel by their engines. In physics and electronics, the word is used in a more specific way to refer to the amount of electrons being emitted from an object.
Did you know ... ?
are some other forms related to emission?
are some synonyms for emission?
are some words that share a root or word element with emission?
are some words that often get used in discussing emission?
How isemission used in real life?
Emissions are usually discussed in technical or scientific contexts.
The drop in carbon emissions due to coronavirus lockdowns won’t last. But as we rebuild, we have a unique opportunity to make the structural changes required to hit net-zero targets, says Corinne Le Quéré
— New Scientist (@newscientist)
BREAKING: Twenty-three states sue to stop Trump administration from revoking California's authority to set auto emission standards.
— The Associated Press (@AP)
"I propose this evening to speak to you on a new kind of radiation or light emission from atoms and molecules."
– Venkata Raman at the University of Calcutta on 16 March 1928. He was awarded the for the Raman effect.
— The Nobel Prize (@NobelPrize)
Try usingemission!
An emission can consist of which of the following things?
A. liquid
B. gas
C. sound
D. all of the above
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