Definition

1. Noun:
   • Screw-propeller: A mechanical device with angled blades that rotates to propel a vehicle, especially a boat or ship, through water.
   • Propeller: A more general term for a device with rotating blades that creates thrust to move a vehicle through a fluid (water or air). In the context of 'chân vịt', it is specifically for marine use.

Usage Examples

• Noun:
  • Con tàu này được trang bị một chân vịt rất mạnh. (This ship is equipped with a very powerful screw-propeller.)
  • Chân vịt bị hỏng nên thuyền không thể di chuyển. (The propeller is broken, so the boat cannot move.)
  • Kỹ sư đang kiểm tra chân vịt của tàu ngầm. (The engineer is inspecting the submarine's propeller.)

Advanced Usage

• "chân vịt máy bay": While 'chân vịt' typically refers to a marine propeller, this compound phrase specifically means an airplane propeller. It is a compound term, not a usage of the isolated word 'chân vịt'.
• "tua-bin chân vịt": Refers to a specific type of propulsion system, like a propeller turbine. This is a technical compound term.

Variants and Related Words

• Cánh quạt: This is a more general word for "propeller" or "fan blade" and can be used in various contexts (e.g., for a fan, helicopter, or aircraft). It is sometimes used interchangeably with 'chân vịt' in casual speech, but 'chân vịt' is more specific to marine propulsion.
• Chong chóng: This word means "pinwheel" or a small toy propeller. It is not a technical synonym for a marine screw-propeller.
• Hélice: This is the direct French loanword (as seen in the reference) and is used in some technical or historical contexts in Vietnamese.

Synonyms

• Screw-propeller: The direct technical translation.
• Marine propeller: A clear descriptive synonym in English.
• Ship's propeller: A more specific term.

Related Phrases (Compound Terms)

• Chân vịt tàu thủy: Ship's propeller. This is a common compound phrase specifying the vehicle.
• Trục chân vịt: Propeller shaft. This is a compound term for the mechanical part connected to the propeller.

Related Idioms

• There are no common idioms in Vietnamese that use the isolated word 'chân vịt' in a figurative sense. Its usage is almost exclusively technical and literal.

1. Screw-propeller