Definition Synonyms
Definition of emission - Reverso English Dictionary
Noun
1.
sent outsomething sent out from a source
- The factory's emission was visible in the sky.
2.
substance releasedsomething that is emitted like pollutants
- Vehicle emissions contribute significantly to air pollution..
3.
processthe act of sending out energy or substances
- Emission of carbon dioxide contributes to global warming.
4.
physicsTECH. energy released as heat, light, or radio wavesTECH.
- The sun's emission warms the Earth.
5.
technologyTECH. release of electrons from a cathodeTECH.
- The device measures electron emission.
Expressions with emission
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involuntary ejaculation during sleep
He was embarrassed to discuss his nocturnal emission with his doctor..
regulation of pollutants released into the air
The government has strict emission control to reduce air pollution.
release of electrons from a surface by a strong electric field
Field emission occurs when a strong electric field is applied.
electromagnetic radiation with wavelengths longer than visible light
The infrared emission from the heater warmed the room.
release of electrons from a material by light
Photoelectric emission occurs when light hits a metal surface.
radiation emitted by objects due to their temperature
The telescope detected thermal emission from the distant star.
official permission to release a fixed amount of polluting gas
Each factory must buy an emission allowance before increasing its output.
measure of how effectively a source releases energy or particles outward
Improving emission efficiency can make the LED both brighter and more energy efficient.
spectral line from atoms emitting radiation
The emission line revealed the star's chemical composition.
nebula with ionized gases emitting visible light
The Orion Nebula is a famous emission nebula.
amount of something released in a certain time
The emission rate of carbon dioxide increased last year.
place or device where substances or energy are released outward
The factory was identified as the main emission source of local air pollution.
spectrum of frequencies emitted by electrons changing energy levels
The emission spectrum of hydrogen shows distinct lines.
release of harmful substances into air water or ground
The factory's pollutant emission violated new environmental regulations.
medical scan showing tissue activity using positrons and gamma rays
The doctor ordered positron emission tomography for brain imaging.
electromagnetic wave with wavelength 0.5 cm to 30,000 m
Astronomers study radio emission from distant galaxies.
release of electrons from a material when struck by particles
Secondary emission occurs when the metal is hit by ions.
release of electrons from a heated material
Thermionic emission occurs when metal is heated in a vacuum tube..
producing no pollutants
The company introduced a new zero-emission vehicle model this year..
Origin of emission
Latin, emittere (to send out)
Terms with emission included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
emission
produce visible fumes from burning or heated material
sound emission
emit a short high-pitched sound
machine
gentle emission of air from a device
sound emission
emit a clear, resonant sound
liquid emission
emit liquid forcefully in a stream
liquid emission
emitting liquid in a stream
loud emission
emit sound or music loudly
sound emission
emit a short high electronic sound
emission
emit or discharge a substance
from heat
emission of steam from a heated substance
emission
emitting gas or smoke forcefully and noisily
light
bright emission of light or glow
sound emission
emit a short high sound
emission
coming out from a source
science
emitting or relating to the emission of ionizing radiation or particles
emission
emitting something forcefully or in large amounts
emission
give off steam or fumes
market
buying and selling carbon emission allowances
automobile
device using three-way catalysts for emission reduction
emission
give out or emit something abstract
light emission
emitting light not caused by heat
fluid emission
emitting fluid in sudden bursts
explosive emission
emit small particles or sounds explosively
acr: zero-emission vehicle
vehicle that doesn't produce harmful gases
Examples of emission in a sentence
Radio emission from the star was detected. Industrial emissions are regulated by law. Reducing emissions is crucial for the environment. The reactor's emission of heat was carefully monitored. The factory reduced its emission of smoke. Emission from the engine was measured.
The device reduces harmful emissions. The lab focused on cathode emission. Emission levels were crucial for the experiment.
View all translations of emission
Click below to see the appropriate translations facing each meaning.
- French:émission, rejet, ...
- German:Emission, Emissionen, ...
- Italian:emissione, emissioni, ...
- Spanish:emisión, contaminante, ...
- Portuguese:emissão, libertação, ...
- Chinese:排放物, 排放量, ...
- Japanese:排出物, 排出, ...
- Arabic:اِنْبِعَاث, مُخرَج, ...
- Hebrew:פְּלִיטָה, פְּלִיטַת מְזַהֲמִים, ...
- Russian:выброс, выбросы, ...
- Ukrainian:викиди, емісія, ...
- Hindi:उत्सर्जन, रिसाव, ...
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