than củi
Học thuậtThân thiện
Definition
Noun: - Charcoal: A black, porous, solid fuel made by heating wood (or other organic materials) in the absence of air. It is commonly used for cooking, heating, and in industrial processes.
Usage Examples
- Noun:
- Gia đình tôi dùng than củi để nướng thịt. (My family uses charcoal to grill meat.)
- Lò than củi đang cháy đỏ. (The charcoal stove is burning red.)
- Than củi cháy lâu hơn củi. (Charcoal burns longer than firewood.)
Advanced Usage
- "Đốt than củi": to burn charcoal.
- Việc đốt than củi trong phòng kín rất nguy hiểm. (Burning charcoal in a closed room is very dangerous.)
- "Lò than củi": charcoal stove/brazier.
- Chiếc lò than củi cũ vẫn còn dùng tốt. (The old charcoal brazier is still working well.)
Variants and Related Words
- Than đá (noun): Coal (a hard, black rock used as fuel, formed from ancient plant matter).
- Củi (noun): Firewood.
- Than hoạt tính (noun): Activated charcoal (a processed form used for filtration and medicine).
Synonyms
- Charbon de bois (French loanword, less common): Charcoal.
- Than tàu (noun, regional/synonymous): Charcoal (literally "ship charcoal", historically associated with a type of charcoal).
Notes on Different Meanings
The word "than củi" specifically refers to charcoal made from wood. It is distinct from "than đá" (coal, a mineral fuel) and "than tổ ong" (honeycomb briquette, a processed fuel block). The synonym "than tàu" is an older or regional term with the same core meaning.