Definition

1. Noun:
   • Glass: A hard, brittle, and typically transparent or translucent substance, made by fusing sand with soda and lime, used for making windows, containers, and other objects.
   • Mercury (the planet): The smallest and innermost planet in the Solar System. This meaning is primarily used in the compound term "sao Thủy."

Usage Examples

• Noun (Material):
  • Cửa sổ làm bằng thủy tinh. (The window is made of glass.)
  • Cô ấy làm vỡ ly thủy tinh. (She broke the glass cup.)
• Noun (Planet):
  • Sao Thủy là hành tinh gần Mặt Trời nhất. (Mercury is the planet closest to the Sun.)

Advanced Usage

• "thủy tinh thể": The crystalline lens of the eye.
  • Bác sĩ phẫu thuật thay thủy tinh thể. (The doctor performed cataract surgery to replace the lens.)
• "thủy tinh lỏng": Sodium silicate, a chemical compound also known as water glass.
  • Thủy tinh lỏng được dùng trong công nghiệp. (Sodium silicate is used in industry.)

Variants and Related Words

• Kính (n): This is a more common general word for glass, especially when referring to windows, eyeglasses, or as a material. often emphasizes the substance itself.
  • Anh ấy đeo kính. (He wears glasses.)
• Sao Thủy (n): The full and standard term for the planet Mercury.
  • Sao Thủy có chu kỳ quỹ đạo ngắn. (Mercury has a short orbital period.)

Synonyms

• Glass: The transparent, brittle material.
• Mercury: The name of the planet (in the context of "sao Thủy").

Related Idioms and Phrases

• Trong như thủy tinh: As clear as glass; used to describe something very transparent or pure.
  • Nước suối trong như thủy tinh. (The stream water is as clear as glass.)
• Lòng dạ thủy tinh: A "glass heart" or fragile feelings; describes someone who is emotionally sensitive or easily hurt.
  • Cô ấy có lòng dạ thủy tinh, đừng làm cô ấy buồn. (She has a fragile heart, don't make her sad.)

noun

1. glass
2. Marcury
3. (sao thủy)