than đỏ
Definition
- Noun:
- Red coal / Red charcoal: A term that can refer to charcoal that is red-hot or glowing, often used in the context of cooking or heating.
- A type of energy source: In a specialized or poetic context, it can metaphorically refer to geothermal energy or the Earth's internal heat, as suggested by the reference to "énergie des profondeurs de la terre" (energy from the depths of the Earth).
Usage Examples
- Noun:
- Trong bếp lò, những cục than đỏ rực đang cháy. (In the stove, pieces of red-hot charcoal are burning.)
- Năng lượng địa nhiệt đôi khi được ví như than đỏ của lòng đất. (Geothermal energy is sometimes likened to the red coal of the Earth's interior.)
Advanced Usage
- The term is rarely used in modern technical vocabulary. Its use as a metaphor for geothermal energy is largely literary or derived from older, specialized texts.
Variants and Related Words
- Than hồng (n): Embers; glowing charcoal.
- Anh ấy nướng thịt trên than hồng. (He grilled the meat over embers.)
Synonyms
- Embers: Glowing pieces of coal or wood in a dying fire.
- Glowing charcoal: Charcoal that is burning and emitting red light.
- Geothermal heat (metaphorical): The natural heat from within the Earth.
Notes on Usage
- "Than đỏ" is not a common compound in everyday Vietnamese. The more standard term for burning, red-hot charcoal is "than hồng."
- When used in the sense of geothermal energy, it is a figurative and somewhat archaic expression. The modern technical term for geothermal energy is "năng lượng địa nhiệt."