Word
emission
Phoneticsemis·sion
US/ɪˈmɪʃən/
UK/ɪmˈɪʃən/
Definitions
01gas or radiation released
B2 · Upper Intermediate Countable noun Science
n. a substance, such as a gas, that is sent out into the air.
n. a substance, typically a pollutant or greenhouse gas, discharged into the atmosphere.
“The government is trying to reduce carbon emissions from cars and factories.”
“The new environmental regulations mandate a significant reduction in methane emissions from industrial agricultural facilities by the end of the decade.”
Antonyms
02the act of sending out
C1 · Advanced Uncountable noun Science Technical
n. the process of sending out light, heat, or sound.
n. the physical process of discharging or radiating energy or matter from a source.
“The emission of light from the screen can make it hard to sleep.”
“The precise measurement of thermal emission allows scientists to determine the surface temperature of distant planets without direct contact.”
Synonyms
03a broadcast
C2 · Proficiency Countable noun Formal
n. a radio or television programme.
n. a broadcast or transmission of a programme, often used in the context of international media.
“The station began its nightly emission of news at seven o'clock.”
“The shortwave emission was intended for audiences across the border, providing an alternative perspective on the unfolding political crisis.”
Usage
This sense is more common in European English contexts influenced by French 'émission' or in formal media studies.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “emission” in context.
Verb
01. curb harmful emissions
“New filters were installed in the factory to curb harmful emissions.”
verb + adj + noun
02. cut emissions
“Many countries are struggling to cut emissions to meet their environmental targets.”
verb + noun
03. reduce carbon emissions
“The government has introduced new laws to help industries reduce carbon emissions.”
verb + adj + noun
Adjective
04. annual emissions
“The report shows that our annual emissions have decreased by five percent.”
adj + noun
05. toxic emissions
“Residents are worried about the toxic emissions coming from the nearby chemical plant.”
adj + noun
Noun
06. emission levels
“Scientists are monitoring emission levels in the city center to assess air quality.”
noun + noun
07. emission of greenhouse gases
“The emission of greenhouse gases is a primary driver of global climate change.”
noun + of + noun
08. reduction in emissions
“There has been a significant reduction in emissions since the new policy was implemented.”
noun + prep + noun
09. emission zone
10. emissions scenario
Real-World Examples
“This mainly involves removing CO 2 emissions that cannot be prevented by reducing emissions at the source (the so-called "overshoot").” “Elaine Johnson, director of Johnson Legal, which represented Dams Heg, said the decision confirmed that Australian governments needed to take responsibility for emissions generated by coal exports.” “Under the “low climate scenario” – which assumes low emissions – glaciers will very likely lose between 14 and 86% of their volume by 2100.” “But, in 1974, he suffered a blow after being persuaded to invest in a Canadian company which claimed to have developed a process to cut carbon emissions.” Etymology
First attested in 1607. From Middle French émission, from Latin ēmissiō (“sending forth”), from ēmittō (“send out”), from ex (“from, out of”) + mittō (“send”).
Borrowed from French émission.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
Related words
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper IntermediateOxford
- Updated
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