thermal radiation

[ˈθɜːrməl ˌreɪdiˈeɪʃən]
nounfemininepl: radiações térmicas
radiação térmica
1. electromagnetic radiation emitted by a body due to its temperature; includes infrared, visible, and ultraviolet radiation
The thermal radiation from the sun heats the Earth's surface.
A radiação térmica do sol aquece a superfície da Terra.
2. in physics, the process by which energy is transferred through space via electromagnetic waves from a heated object
All objects above absolute zero emit thermal radiation.
Todos os objetos acima do zero absoluto emitem radiação térmica.
3. infrared radiation specifically, as commonly used in thermography and heat sensing applications
Thermal radiation cameras detect heat signatures in darkness.
Câmeras de radiação térmica detectam assinaturas de calor no escuro.
Thermal radiation is a fundamental concept in physics education and industrial applications across both Brazilian and American contexts. In Brazil, it's particularly important in engineering programs and renewable energy studies. The term is standardized internationally and used identically in both Portuguese-speaking nations and English-speaking countries, reflecting its scientific nature.
Synonyms / Sinônimos
thermal emissionheat radiationinfrared radiationradiação de caloremissão térmica
Antonyms / Antônimos
thermal absorptionabsorção térmica

Regional Variations

General Brazilian
radiação térmica
standard term used in scientific and educational contexts
Rio de Janeiro
radiação térmica
commonly used in academic and technical discussions
São Paulo
radiação térmica
standard usage in engineering and physics departments
Portugal
radiação térmica
identical to Brazilian usage; standard European Portuguese term

Related Words

infraredblackbody radiationStefan-Boltzmann lawemissivityradiação infravermelhacorpo negroemissividadetemperatura

Related Idioms & Phrases

thermal radiation spectrum
thermal radiation detector
thermal radiation imaging
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