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impermeabilidade à luz

[ĩ.pɛɾ.mé.a.bi.li.ˈda.dʒi a ˈlus]
nounfemininepl: impermeabilidades à luz
light impermeability
1. The quality or property of a material or substance that does not allow light to pass through it; opacity
The impermeability to light of this fabric makes it perfect for blackout curtains.
A impermeabilidade à luz deste tecido o torna perfeito para cortinas blackout.
2. The inability of electromagnetic radiation in the visible spectrum to penetrate a given material
The impermeability to light of the concrete walls ensures complete darkness in the bunker.
A impermeabilidade à luz das paredes de concreto garante escuridão completa no bunker.
Synonyms
opacidadeimpermeabilidade luminosabloqueio de luzausência de transparência
Antonyms
permeabilidade à luztransparênciatranslucidezluminosidade

Regional Variations

General Brazilian
impermeabilidade à luz
Standard usage across Brazil
Portugal
impermeabilidade à luz
Standard usage in Portugal
Technical/Scientific
opacidade luminosa
Used in technical and scientific contexts

Related Idioms & Phrases

à prova de luz (light-proof)
bloqueio total de luz (complete light blockage)
escuridão absoluta (absolute darkness)
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