EM radiation

[/ˌiː ˈɛm ˌreɪdiˈeɪʃən/]
noun
radiação eletromagnética
1. Energy in the form of electromagnetic waves that travel through space at the speed of light, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays
EM radiation from the sun provides energy to Earth's surface.
A radiação eletromagnética do sol fornece energia à superfície da Terra.
2. The propagation of electromagnetic fields and their associated energy through space or matter
Mobile phones emit EM radiation in the microwave frequency range.
Telefones celulares emitem radiação eletromagnética na faixa de frequência de micro-ondas.
This is primarily a scientific and technical term used in physics, engineering, and health sciences contexts in both Brazil and the USA. It has gained increased cultural relevance with discussions about health effects of mobile phone radiation and WiFi exposure. In Brazil, there is growing public awareness about 'radiação eletromagnética' due to debates about smartphone safety and electromagnetic pollution.
Synonyms / Sinônimos
electromagnetic radiationelectromagnetic waveEM wavelight radiation

Regional Variations

General Brazilian Portuguese
radiação eletromagnética
Standard technical term used in physics and engineering contexts
São Paulo
radiação eletromagnética
Used in academic and industrial settings
Portugal
radiação eletromagnética
Same as Brazilian Portuguese; standard scientific terminology
USA
EM radiation
Common abbreviation in scientific and technical English

Related Words

electromagnetic spectrumfrequencywavelengthphotonionizing radiationnon-ionizing radiationelectromagnetic field
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