bông đá
Definition
- Noun:
- Asbestos: A naturally occurring fibrous silicate mineral, historically used for its heat resistance and insulating properties in construction and manufacturing.
- Rock wool / Mineral wool: A modern, man-made insulating material made from molten rock or slag, spun into fibrous strands. This is a common contemporary meaning.
Usage Examples
- Noun:
- Mái nhà cũ có thể chứa bông đá, một chất gây nguy hiểm cho sức khỏe. (The old roof may contain asbestos, a substance hazardous to health.)
- Các kỹ sư khuyên dùng bông đá để cách nhiệt cho tường nhà. (Engineers recommend using rock wool to insulate the house walls.)
- Việc khai thác bông đá tự nhiên đã bị cấm ở nhiều quốc gia. (The mining of natural asbestos has been banned in many countries.)
Advanced Usage
- Technical/Industrial Context: Refers specifically to fibrous materials used for insulation, fireproofing, or soundproofing.
- Bông đá cách âm được lắp đặt giữa các phòng thu. (Soundproofing mineral wool is installed between the recording studios.)
Variants and Related Words
- Sợi bông đá: Asbestos fiber / Mineral wool fiber.
- Cần đeo mặt nạ phòng độc khi làm việc với sợi bông đá. (A respirator is required when working with asbestos fibers.)
- Tấm bông đá: Asbestos board / Mineral wool board.
- Amiăng: The direct loanword from French "amiante" for asbestos. Often used interchangeably with in the context of the hazardous natural mineral.
Synonyms
- Amiăng: Asbestos (specifically the hazardous silicate mineral).
- Len đá / Len khoáng: Rock wool, Mineral wool (for the modern insulating material).
Important Note on Meaning
The word 'bông đá' has two primary meanings that are crucial to distinguish due to significant safety implications: 1. The historical/hazardous material: Refers to asbestos, a known carcinogen. Its use is now heavily restricted or banned. 2. The modern insulating material: Refers to rock wool or mineral wool, a man-made product generally considered safer for insulation purposes.
Context is essential for accurate understanding and translation. In contemporary construction and safety discussions, it most often refers to mineral wool. In historical, legal, or remediation contexts, it likely refers to asbestos.