Emission

ɪˈmɪʃən

nounmedium📊CommonProcess
2 meanings1 idiom/phrase3 questions

Definitions

2 meanings
1

The production or discharge of something, especially gas or radiation.

ɪˈmɪʃən

nounneutralmedium
Process

The act of producing or sending out something, especially gas or radiation.

Scientists are studying the greenhouse gas emissions from industrial plants.

💡 Simply: Imagine a car sending out exhaust. Emission is like that, but for anything that's released or sent out. Like when your body releases a sound when you yawn (a sound emission).

👶 For kids: When something lets out gas, smoke, or light, that's called an emission!

More Examples

2

The company is working to reduce its carbon emissions by investing in renewable energy.

3

The air quality is poor due to the high level of vehicle emissions.

How It's Used

Environmental Science

"The city implemented stricter regulations to reduce carbon emissions from vehicles."

Engineering

"The device's radio frequency emissions interfered with the other equipment."

2

Something that is produced and released.

ɪˈmɪʃən

nounneutralmedium
Substance

Something that is emitted.

The report highlighted the dangers of industrial emissions.

💡 Simply: It's also the stuff that's sent out. Like the smoke you see from a fire; the emission from the fire.

👶 For kids: The thing that gets sent out, like smoke from a chimney!

More Examples

2

The government is concerned about the emissions from power plants.

3

The analysis of emissions helped identify the source of the pollution.

How It's Used

Physics

"The study focused on the emissions from radioactive materials."

Environmental Science

"Controlling emissions is critical to combating climate change."

Tip:Think of the 'emission' itself – the gas, radiation, or whatever is being released.

Synonyms & Antonyms

Idioms & expressions

emission control

The regulation and management of the release of pollutants.

"The company invested in emission control technology to comply with environmental regulations."

From Latin *ēmissiō* ('a sending out, a letting go'), from *ēmittere* ('to send out, release'), from *ex* ('out') + *mittere* ('to send').

The word 'emission' has been used since the 17th century, initially referring to the act of sending out, and later specifically to the release of gases and pollutants.

Memory tip

Think of a radio 'emitting' signals or a factory releasing fumes.

Word Origin

LanguageLatin
Original meaning

"to send out, release"

carbon emissionsvehicle emissionsindustrial emissionsreduce emissionscontrol emissions

Common misspellings

emisionemmission

Usage

40%Spoken
60%Written