nấu trắng
Người thợ đang nấu trắng những dải lụa dài trong một chiếc nồi đồng lớn bốc hơi nghi ngút.
Definition
- Verb phrase:
- To boil-white / to white-boil: A traditional textile processing method where newly woven silk is boiled in water to bleach it, making it whiter and softer. This process removes natural sericin (silk gum) and impurities.
Usage Examples
- Verb phrase:
- Người thợ đang nấu trắng tấm lụa mới. (The artisan is white-boiling the new piece of silk.)
- Lụa sau khi nấu trắng sẽ mềm và sáng hơn. (Silk becomes softer and brighter after being boiled-white.)
- Công đoạn nấu trắng là bước quan trọng trong chế biến lụa. (The white-boiling stage is an important step in silk processing.)
Advanced Usage
- The term is specific to traditional silk weaving and textile crafts. It describes a specific technical process, not general cooking.
Variants and Related Words
- Nấu (v): to cook, to boil. The general verb for applying heat in cooking or processing.
- Lụa sống (n): raw silk. Silk fabric before it undergoes the process.
- Lụa chín (n): finished/processed silk. Silk fabric after it has been boiled-white and finished.
Synonyms
- To degum silk: A more technical English term for the process of removing sericin from silk fibers by boiling.
- To scour silk: Another technical term for cleaning and bleaching raw textiles.
Notes on Usage
- "Nấu trắng" is a compound verb phrase. It is used exclusively in the context of traditional textile manufacturing, particularly with silk. It is not used in the context of modern chemical bleaching or for cooking food (e.g., boiling white meat or vegetables is , not ).