microscopic dust
[/ˌmaɪ.krəˈskɑː.pɪk dʌst/]
nounfeminine (in Portuguese)pl: microscopic dusts
poeira microscópica
1. Extremely fine particles of matter that are invisible to the naked eye and can only be seen under a microscope
The lab technician used an electron microscope to analyze the microscopic dust particles found at the crime scene.
A técnica de laboratório usou um microscópio eletrônico para analisar as partículas de poeira microscópica encontradas na cena do crime.
2. Fine airborne particulate matter that poses potential health risks when inhaled
Microscopic dust in industrial environments can cause respiratory problems over time.
A poeira microscópica em ambientes industriais pode causar problemas respiratórios ao longo do tempo.
In Brazil, the term 'poeira microscópica' is particularly relevant in discussions of air quality, occupational health, and industrial safety. São Paulo, as an industrial hub, frequently references this term in environmental and labor regulations. In scientific contexts across both Brazil and Portugal, this term is standard. The awareness of microscopic dust has increased globally due to health concerns related to air pollution and indoor air quality.
Related Idioms & Phrases
not a speck of dust (expression indicating absolute cleanliness)
dust in the wind (expression indicating something insignificant or fleeting)
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