opacifier

[/oʊˈpæsɪfaɪər/]
nounpl: opacifiers
opacificador
1. A substance or agent added to a material to reduce its transparency and make it opaque
Titanium dioxide is a common opacifier used in paints and coatings.
O dióxido de titânio é um opacificador comum usado em tintas e revestimentos.
2. In chemistry and materials science, any additive that decreases light transmission through a medium
The manufacturer added an opacifier to the plastic film to block ultraviolet light.
O fabricante adicionou um opacificador ao filme plástico para bloquear a luz ultravioleta.
This is a technical and specialized term used primarily in industrial, chemical, and manufacturing sectors in both English-speaking countries and Brazil. It is not commonly used in everyday conversation but is essential terminology in paint manufacturing, cosmetics, plastics production, and materials science. The term reflects the globalization of technical vocabulary, with similar usage across different English-speaking regions and Portugal.
Synonyms / Sinônimos
opacifying agentobscuring agentmatting agent
Antonyms / Antônimos
clarifiertransparency agentbrightener

Regional Variations

General Brazilian
opacificador
Standard term used in industrial and chemical contexts
Portugal
agente opacificante
Alternative formal term more commonly used in European Portuguese
USA Technical English
opacifier
Primarily used in coating, paint, and polymer industries

Related Words

opacityopaquetranslucentpigmentcoatingadditive
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