muội đèn

muội đèn

Ngọn lửa đèn dầu để lại một lớp muội đèn trên bóng đèn.

Definition
  1. Noun:
    • Lampblack / Soot: A fine, black, powdery substance, primarily composed of carbon, produced by the incomplete combustion of a fuel such as oil, wax, or gas. It is the black residue that collects on the inside of a lamp glass or chimney, or on surfaces above a flame.
Usage Examples
  • Noun:
    • Khi lau chùi đèn dầu, ấy thấy rất nhiều muội đèn bám trong chụp đèn. (When cleaning the oil lamp, she saw a lot of lampblack stuck inside the lampshade.)
    • Muội đèn có thể được dùng để làm mực hoặc chất tạo màu trong nghệ thuật truyền thống. (Lampblack can be used to make ink or a pigment in traditional art.)
Advanced Usage
  • The term "muội đèn" specifically refers to soot from a lamp or controlled flame. In broader or industrial contexts, the more general word "muội than" (coal soot) or simply "muội" is used for soot from sources like engines, chimneys, or fires.
Variants and Related Words
  • Muội (n): A general term for soot or carbon black.
  • Muội than (n): Coal soot; carbon black, often with a more industrial connotation.
  • Bồ hóng (n): A common synonym for soot, especially the kind that blackens walls or ceilings.
Synonyms
  • Soot: The general English term for the black powder from burning.
  • Lampblack: Specifically refers to soot collected from oil lamps or controlled combustion, used as a pigment.
  • Carbon black: A commercial form of fine carbon particles, similar to soot but often produced intentionally.
Related Idioms
  • Đen như muội: As black as soot; used to describe something or someone very dirty or extremely black in color.
    • Sau trận cháy, bức tường đen như muội. (After the fire, the wall was as black as soot.)