Definition

1. Noun:
   • Vegetable oil: A type of oil extracted from plants, traditionally used in Vietnam for cooking and, historically, as fuel for lamps.
   • Local oil: Refers specifically to oil produced domestically or locally in Vietnam, often contrasted with imported oils.

Usage Examples

• Noun:
  • Bà nội tôi vẫn thích dùng dầu ta để chiên cá. (My grandmother still prefers to use vegetable oil to fry fish.)
  • Trước khi có điện, người ta thắp sáng bằng đèn dầu ta. (Before electricity, people used lamps fueled by vegetable oil for lighting.)

Advanced Usage

• "dầu ta" vs. "dầu ăn": While both can mean cooking oil, "dầu ta" often carries a traditional, local connotation, whereas "dầu ăn" is a more general, modern term for edible oil.
  • Dầu ta làm từ lạc thơm hơn dầu ăn công nghiệp. (Oil made locally from peanuts is more fragrant than industrial cooking oil.)

Variants and Related Words

• Dầu thực vật (n): A more formal and general term for "vegetable oil".
  • Dầu thực vật tốt cho sức khỏe hơn mỡ động vật. (Vegetable oil is better for health than animal fat.)
• Dầu lạc (n): Peanut oil, a common type of "dầu ta".
  • Dầu lạc là một loại dầu ta phổ biến ở miền Bắc. (Peanut oil is a common type of local oil in the North.)

Synonyms

• Dầu thực vật: Vegetable oil.
• Dầu ăn: Cooking oil (in a general sense).

Related Phrases

• Đèn dầu ta: A lamp designed to burn vegetable oil.
  • Chiếc đèn dầu ta cũ vẫn được giữ làm kỷ vật. (The old vegetable oil lamp is still kept as a memento.)

Related Idioms

• Tối như đêm ba mươi (mà không có đèn dầu ta): As dark as a moonless night (without a vegetable oil lamp). This emphasizes extreme darkness and the importance of the traditional light source.
  • Trong hầm tối như đêm ba mươi, giá mà có ngọn đèn dầu ta. (It's as dark as a moonless night in the cellar; if only we had a vegetable oil lamp.)

1. Vegetal oil (formerly used as a fuel in lamps)