screw propeller

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screw propeller

n.
A propeller.

screw propeller

n
(Mechanical Engineering) an early form of ship's propeller in which an Archimedes' screw is used to produce thrust by accelerating a flow of water
ˈscrew-proˈpelled adj

pro•pel•ler

(prəˈpɛl ər)

n.
1. a device having a revolving hub with radiating blades, for propelling an airplane, ship, etc.
2. a person or thing that propels.
3. the bladed rotor of a pump that drives the fluid axially.
4. a wind-driven, usu. three-bladed device that provides mechanical energy, as for driving an electric alternator in wind plants.
[1770–80]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.screw propeller - a propeller with several angled blades that rotates to push against water or airscrew propeller - a propeller with several angled blades that rotates to push against water or air
outboard motor, outboard - internal-combustion engine that mounts at stern of small boat
propeller, propellor - a mechanical device that rotates to push against air or water
ship - a vessel that carries passengers or freight
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