Definition

1. Noun:
   • Sulfur (S): A chemical element with atomic number 16, a non-metal that is typically a bright yellow solid at room temperature. It is essential for life and has various industrial applications.

Usage Examples

• Noun:
  • Lưu huỳnh là một nguyên tố hóa học. (Sulfur is a chemical element.)
  • Mùi của lưu huỳnh rất đặc trưng. (The smell of sulfur is very distinctive.)
  • Người ta dùng lưu huỳnh để sản xuất cao su. (People use sulfur to produce rubber.)

Advanced Usage

• "Sulfur dioxide" (Lưu huỳnh đioxit): A common gas (SO₂) produced by burning sulfur, often associated with industrial emissions and volcanic activity.

  • Khí lưu huỳnh đioxit có thể gây ô nhiễm không khí. (Sulfur dioxide gas can cause air pollution.)

• "Sulfur content" (Hàm lượng lưu huỳnh): Refers to the amount of sulfur present in a substance like fuel or ore.

  • Nhiên liệu có hàm lượng lưu huỳnh thấp thì thân thiện với môi trường hơn. (Fuel with low sulfur content is more environmentally friendly.)

Variants and Related Words

• Lưu hoàng: An older, synonymous term for sulfur, less commonly used in modern scientific contexts but still understood.

  • Từ "lưu hoàng" cũng có nghĩa là lưu huỳnh. (The word "lưu hoàng" also means sulfur.)

• Thuốc lưu huỳnh: Can refer to sulfur-based ointments or medications, historically used for skin conditions.

  • Thuốc lưu huỳnh đôi khi được dùng để trị mụn. (Sulfur ointment is sometimes used to treat acne.)

Synonyms

• S (Chemical Symbol): The standard chemical symbol for sulfur.
• Brimstone: An archaic English term for sulfur, often with religious or poetic connotations (e.g., "fire and brimstone").

Related Compounds and Phrases

• Axit sunfuric (Sulfuric acid): A strong acid (H₂SO₄) produced from sulfur, vital in many industrial processes.

  • Axit sunfuric là một hóa chất công nghiệp quan trọng. (Sulfuric acid is an important industrial chemical.)

• Quặng sunfua (Sulfide ore): A mineral containing sulfur combined with a metal, such as iron pyrite (fool's gold).

  • Quặng sunfua thường được khai thác để lấy kim loại. (Sulfide ores are often mined for metals.)

Related Idioms

(Note: There are no common Vietnamese idioms that use the word "lưu huỳnh" directly. The element is typically referenced in scientific or technical contexts.)

1. như lưu hoàng