Meaning of emission in English

emission

noun

/iˈmɪʃ.ən/ uk

/iˈmɪʃ.ən/

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C1 [ U ]

the act of sending out gas, heat, light, etc.:

Bioluminescence is the emission of light from living organisms.

Excess infrared emission was detected around six of these stars.

C1 [ C ]

an amount of gas, heat, light, etc. that is sent out:

He uses a night observation device that picks up heat emissions.

There is a risk of accidents with large emissions of radioisotopes into the biosphere.

[ C usually plural ] environment specialized

an amount of a substance that is produced and sent out into the air that is harmful to the environment, especially carbon dioxide:

Reducing the consumption of energy and increasing its efficient use would help control emissions.

These health risks are caused by vehicle emissions.

The agreement aimed to half the emissions rate in 50 years.

More examplesFewer examples

We can measure the absorption or emission of light at specific wavelengths.
Fluctuations in the intensity of the radio emissions from stars allow researchers to infer the amount of ejected material.
Research is underway to develop ways of measuring the full-body biophoton emissions of human subjects.
He has concerns about the need to curb emissions of smog-forming nitrogen oxides, sulfur dioxide and mercury.
Countries and corporations are making efforts to cut their greenhouse gas emissions.
Vehicles are placed on a treadmill and their emissions are measured when the gas pedal is pushed and the wheels are turning.
State governors are moving toward regional emissions limits.
New, tougher emission standards for cars will be brought in.

SMART Vocabulary: related words and phrases

Emitting and ejecting

See more results »

You can also find related words, phrases, and synonyms in the topics:

Physical & chemical processes

Environmental issues

(Definition of emission from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

emission | Business English

emission

noun

ENVIRONMENT

/ɪˈmɪʃən/ us

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[ C, usually plural ]

an amount of something, especially a gas that harms the environment, that is sent out into the air:

emissions of sth The bill is intended to lower emissions of greenhouse gases.

cut/reduce/limit emissions Many countries are reluctant to cut emissions if it means sacrificing economic growth.

emission cuts/reductions/control

California's emissions standards would cut global warming emissions nearly 30% by year 2016.

[ U ]

the act of sending gas, heat, light, etc. out into the air:

Hybrid vehicles reduce the emission of pollutants by about 20%.

(Definition of emission from the Cambridge Business English Dictionary © Cambridge University Press)

Examples of emission

emission

The plan calls for $900 million to be spent on reducing greenhouse gas emissions.

From Los Angeles Times

Second, projects must lead to a significant reduction in greenhouse gas emissions.

From Bloomberg

This would represent a level of emissions 13 percent below the 1990 level of emissions.

From Huffington Post

Spending resources on natural gas that would otherwise go to renewable energy production commits the world to decades of additional emissions.

From ThinkProgress

Over the past several months, countries from around the world have submitted plans to reduce their greenhouse gas emissions in the coming decades.

From TIME

Specifically, the study found that the health costs of cancer, lung disease, and respiratory illnesses connected to pollutant emissions totaled over $185 billion per year.

From Huffington Post

Greenhouse gasses pumped into the planet's atmosphere will continue to grow even if the industrialized nations cut their emissions down to the bone.

From ABC News

It means that the radioactive emission from the reactors was coming from the reactors themselves and not the pools.

From The New York Review of Books

Um, does this sound like a country that has any interest in cutting its carbon emissions?

From Washington Times

The world's data centers account for 0.2 percent of the world's carbon emissions, while airlines account for 0.6 percent.

From VentureBeat

In any case, every shipping company wants to reduce its emissions.

From CNN

Actually reducing emissions, or making the vehicles most of us drive more fuel efficient, is just the line they pretend to uphold.

From CNBC

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations with emission

emission

These are words often used in combination with emission.

Click on a collocation to see more examples of it.

carbon emission

The policy goal is to reduce the 2010 total carbon emission to 90 per cent that of 2000.

From the Cambridge English Corpus

emission allowance

With a personalised carbon dioxide emission allowance it is apparent that the third world would benefit at the expense of the developed world.

From the

Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0

emission line

Measurements of the carbon emission line shape are therefore used to extract values for the impurity ion temperature and velocity.

From

Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.

See all collocations with emission

What is the pronunciation of emission?

Translations of emission

in Chinese (Traditional)

（氣體、熱量、光線等的）排放，散發，射出, 排放物, 散發物…

Meaning of emission in English

emission | Business English

Examples of emission

Collocations with emission

emission

Translations of emission

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