khử màu

Thuốc tẩy dùng để khử màu vải.

Definition

1. Verb:
   • To decolorize / to decolour: The primary meaning of "khử màu" is to remove or reduce the color from a substance, often through a chemical or physical process.
   • To bleach: In specific contexts, it refers to the act of making something white or lighter by using a chemical agent.

Usage Examples

• Verb:
  • Thuốc tẩy dùng để khử màu vải. (Bleach is used to decolorize fabric.)
  • Quy trình này giúp khử màu dầu ăn. (This process helps to decolorize cooking oil.)
  • Họ đang khử màu nước thải công nghiệp. (They are decolorizing industrial wastewater.)

Advanced Usage

• "khử màu chọn lọc": selective decolorization.
  • Kỹ thuật khử màu chọn lọc rất quan trọng trong phục chế tranh. (Selective decolorization technique is very important in painting restoration.)

Variants and Related Words

• Tẩy màu (v): to remove color, often used interchangeably with "khử màu."

  • Cô ấy tẩy màu quần áo trước khi nhuộm lại. (She removed the color from the clothes before re-dyeing.)

• Làm bạc màu (v): to fade, to cause to lose color (often due to time or exposure).

  • Ánh nắng làm bạc màu rèm cửa. (The sunlight fades the curtains.)

Synonyms

• Decolorize: to remove color.
• Bleach: to whiten by removing color.
• Fade: to lose brightness or color gradually.

Related Idioms

Note: The term "khử màu" is a technical compound verb and is not commonly used in idiomatic expressions.