photodegradation
[/ˌfoʊtoʊdɪɡrəˈdeɪʃən/]
nounfemininepl: photodegradations / fotodegradações
fotodegradação
1. The breakdown or decomposition of a chemical substance caused by exposure to light, particularly ultraviolet (UV) radiation
Photodegradation of plastics in the ocean is a significant environmental concern.
A fotodegradação de plásticos no oceano é uma preocupação ambiental significativa.
2. In materials science, the process by which polymers or organic compounds lose their structural integrity due to light exposure
The photodegradation of the paint coating reduced its durability after two years of sun exposure.
A fotodegradação do revestimento de tinta reduziu sua durabilidade após dois anos de exposição ao sol.
3. A chemical process in environmental science where pollutants are broken down by photons from sunlight
Photodegradation is one method used to treat certain industrial wastewater.
A fotodegradação é um método utilizado para tratar certas águas residuais industriais.
Photodegradation is a technical term primarily used in scientific, environmental, and industrial contexts in both Brazil and the United States. It has become increasingly important in discussions about plastic pollution and sustainability. In Brazil, this term is particularly relevant in discussions about environmental protection (proteção ambiental) and circular economy initiatives. The word is used identically in both Portuguese and English in academic publications.
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