ni-tơ
Definition
- Noun:
- Nitrogen: A colorless, odorless, and tasteless gas that makes up approximately 78% of the Earth's atmosphere by volume. It is chemically inert under standard conditions and does not support combustion or respiration.
Usage Examples
- Noun:
- Không khí chứa khoảng 78% ni-tơ. (Air contains about 78% nitrogen.)
- Ni-tơ là một nguyên tố quan trọng cho sự sống. (Nitrogen is an essential element for life.)
- Người ta sử dụng ni-tơ lỏng để làm lạnh. (People use liquid nitrogen for cooling.)
Advanced Usage
"Ni-tơ lỏng": Liquid nitrogen.
- Ni-tơ lỏng có nhiệt độ cực kỳ thấp. (Liquid nitrogen has an extremely low temperature.)
"Chu trình ni-tơ": The nitrogen cycle.
- Chu trình ni-tơ rất quan trọng trong hệ sinh thái. (The nitrogen cycle is very important in the ecosystem.)
Variants and Related Words
Đạm (n): A common Vietnamese term for nitrogen, especially in contexts like fertilizers (phân đạm).
- Phân đạm cung cấp ni-tơ cho cây trồng. (Nitrogen fertilizer provides nitrogen for plants.)
Khí ni-tơ (n): Nitrogen gas.
- Bóng đèn thường chứa khí ni-tơ. (Light bulbs often contain nitrogen gas.)
Synonyms
- Azote: An older, synonym for nitrogen, rarely used in modern English.
- N₂: The molecular formula for the diatomic form of nitrogen gas.
Related Scientific Terms
Nitrogen fixation: The process by which atmospheric nitrogen is converted into a form usable by plants.
- Vi khuẩn trong đất thực hiện quá trình cố định ni-tơ. (Bacteria in the soil perform nitrogen fixation.)
Nitrate / Nitrite: Compounds containing nitrogen and oxygen, often found in soil and water.
- Nồng độ ni-tơ trong nước có thể được đo qua nitrate. (Nitrogen levels in water can be measured via nitrate.)