untreated material
[/ʌnˈtriːtɪd məˈtɪriəl/]
nounpl: untreated materials
material não tratado
1. Raw or natural material that has not undergone any chemical, physical, or processing treatment
The factory receives untreated material from the mining site before processing begins.
A fábrica recebe material não tratado da mina antes do processamento começar.
2. Substance or matter in its original state without any modification, refinement, or industrial processing
Untreated material such as wood or leather requires special handling.
Material não tratado como madeira ou couro requer manuseio especial.
3. In medical context: biological or organic material that has not been sterilized or processed for clinical use
Untreated material must be handled with appropriate safety protocols in the laboratory.
Material não tratado deve ser manuseado com protocolos de segurança apropriados no laboratório.
The term is widely used in Brazilian manufacturing, construction, and textile industries. In environmental contexts, it relates to sustainability discussions about using untreated materials to reduce chemical pollution. In the USA, this term is common in industrial and scientific contexts, particularly in manufacturing and research sectors.
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