thermal emission

[ˈθɜːrməl ɪˈmɪʃən]
nounpl: thermal emissions
emissão térmica
1. The release of electromagnetic radiation from a material or object due to its temperature
The thermal emission from the heated metal surface was detected by the infrared camera.
A emissão térmica da superfície de metal aquecida foi detectada pela câmera infravermelha.
2. In physics, the process by which heat energy is radiated away from an object in the form of electromagnetic waves
The sun's thermal emission in the infrared spectrum provides energy to Earth's atmosphere.
A emissão térmica do sol no espectro infravermelho fornece energia à atmosfera da Terra.
3. In astrophysics, radiation emitted by celestial bodies as a result of their internal heat
Astronomers study thermal emission from distant galaxies to determine their temperatures.
Os astrônomos estudam a emissão térmica de galáxias distantes para determinar suas temperaturas.
This is a scientific and technical term used primarily in academic, industrial, and research settings in both Brazil and the USA. In Brazil, it is commonly encountered in physics courses, engineering, and environmental monitoring contexts. The term is standardized across Portuguese-speaking regions and is crucial in modern thermal imaging technology used in security, medical diagnostics, and environmental science.
Synonyms / Sinônimos
thermal radiationheat radiationinfrared emissionblackbody radiation
Antonyms / Antônimos
thermal absorptionabsorption

Regional Variations

General Brazilian Portuguese
emissão térmica
Standard term used in scientific and educational contexts across Brazil
São Paulo
emissão térmica
Commonly used in technical and industrial applications
Rio de Janeiro
emissão térmica
Standard usage in academic and research contexts
Portugal
emissão térmica
Same term used; occasionally 'radiação térmica' is preferred in certain technical contexts

Related Words

infrared radiationblackbodyemissivityStefan-Boltzmann lawWien's displacement lawthermography

Related Idioms & Phrases

thermal imaging
detect thermal emission
measure thermal radiation
infrared signature
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →