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pro•pel•ler



Pronunciation: (pru-pel'ur), [key]
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, usually three-bladed, device that provides mechanical energy, as for driving an electric alternator in wind plants.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

propellentpropeller horsepower
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