Definition

1. Noun:

   • Oil: A thick, liquid substance that does not mix with water, obtained from plants, animals, or minerals. It is used for cooking, medicine, lighting, or as fuel.
   • Petroleum / Crude Oil: Specifically, the natural mineral oil extracted from the earth, used to make fuel, plastics, and other products.
   • A type of tree: A large forest tree (genus Dipterocarpus) whose wood yields an oil used in varnish or caulking boats.

2. Conjunction:

   • Though; although; even if: Used to introduce a concession, meaning that something is true or will happen despite another fact or possibility.

Usage Examples

• Noun (Oil):
  • Mẹ tôi chiên cá bằng dầu thực vật. (My mother fries fish with vegetable oil.)
  • Việt Nam là một nước xuất khẩu dầu thô. (Vietnam is a country that exports crude oil.)
• Conjunction (Though):
  • Dầu trời mưa, chúng tôi vẫn sẽ đi. (Even if it rains, we will still go.)
  • Tôi sẽ ủng hộ anh, dầu cho bất cứ chuyện gì xảy ra. (I will support you, no matter what happens.)

Advanced Usage

• "dầu gội (đầu)": Shampoo (literally "hair-washing oil").
  • Cô ấy mua một chai dầu gội mới. (She bought a new bottle of shampoo.)
• "dầu xả": Conditioner (for hair).
  • Sử dụng dầu xả sau khi gội đầu. (Use conditioner after shampooing.)
• "dầu khí": Oil and gas (the petroleum industry).
  • Ngành dầu khí rất quan trọng cho nền kinh tế. (The oil and gas industry is very important for the economy.)

Variants and Related Words

• Dầu hỏa / Dầu lửa (n): Kerosene, lamp oil.
  • Ngày xưa, đèn được thắp bằng dầu hỏa. (In the past, lamps were lit with kerosene.)
• Dầu máy (n): Engine oil, motor oil.
  • Cần thay dầu máy định kỳ. (You need to change the engine oil regularly.)
• Dầu dừa (n): Coconut oil.
  • Dầu dừa có nhiều công dụng cho sức khỏe và làm đẹp. (Coconut oil has many uses for health and beauty.)

Synonyms

• Noun: Oil, petroleum, grease, fuel.
• Conjunction: Although, though, even if, even though, notwithstanding.

Related Idioms

• Dầu sôi lửa bỏng: A critical or extremely urgent situation (literally "boiling oil, burning fire").
  • Họ phải đưa ra quyết định trong hoàn cảnh dầu sôi lửa bỏng. (They had to make a decision in a critical, do-or-die situation.)
• Dầu chấm, muối chấm: A very simple, basic meal; implying poverty or frugality (literally "just oil and salt for dipping").
  • Bữa cơm dầu chấm muối chấm nhưng đầm ấm. (A meal of just simple condiments but filled with warmth.)

noun

1. oil
   • giếng dầu
     oil-well

conj

1. though; although; even if; however
   • dầu đường có xa đi nữa
     what though the way belong!