airscrew
/'eəskru:/
Definition
- Noun:
- A propeller that rotates to push against air: An airscrew is a type of propeller, typically with blades, that spins to generate thrust by displacing air. It is commonly used to propel aircraft.
Usage Examples
- Noun:
- The early airplane was powered by a single airscrew.
- Engineers designed a more efficient airscrew for the new model.
Advanced Usage
- Technical Context: In aeronautical engineering, "airscrew" is a precise term for an aircraft propeller, distinguishing it from a marine propeller (screw).
- The discussion focused on the aerodynamic efficiency of the twin-blade airscrew.
Variants and Related Words
- Propeller (n): A more common general synonym for a device with rotating blades that drives a vehicle forward.
- Rotor (n): A set of rotating blades, especially on a helicopter. While related, a rotor typically provides lift, whereas an airscrew primarily provides forward thrust.
Synonyms
- Propeller: A device with blades that turn to drive a vehicle forward.
- Fan: A machine with rotating blades for creating a current of air; in some technical contexts, it can be similar.
Related Phrases
- (To be) driven by an airscrew: Powered by a propeller.
- The vintage aircraft was driven by a wooden airscrew.
Noun
-
a propeller that rotates to push against air
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