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pro·pel·ler 
Audio Help [pruh-pel-er] Pronunciation Key
Audio Help [pruh-pel-er] Pronunciation Key –noun
| 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. |
| Dictionary.com Unabridged (v 1.1) Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006. |
Propeller
To learn more about Propeller visit Britannica.com
| © 2008 Encyclopædia Britannica, Inc. |
| pro·pel·ler also pro·pel·lor
Audio Help (prə-pěl'ər) Pronunciation Key
n. A machine for propelling an aircraft or boat, consisting of a power-driven shaft with radiating blades that are placed so as to thrust air or water in a desired direction when spinning. |
| The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2006 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
| propeller | |
noun | |
| a mechanical device that rotates to push against air or water |
| WordNet® 3.0, © 2006 by Princeton University. |
proˈpeller noun
a device, consisting of revolving blades, used to drive a ship or an aircraft
See also: propulsion, propelling-pencil, propel
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| Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd. |
| propeller
Audio Help (prə-pěl'ər) Pronunciation Key
A device consisting of a set of two or more twisted, airfoil-shaped blades mounted around a shaft and spun to provide propulsion of a vehicle through water or air, or to cause fluid flow, as in a pump. The lift generated by the spinning blades provides the force that propels the vehicle or the fluid—the lift does not have to result in an actual upward force; its direction is simply parallel to the rotating shaft. |
| The American Heritage® Science Dictionary Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
Propeller
Pro*pel"ler\, n. 1. One who, or that which, propels. 2. A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel. 3. A steamboat thus propelled; a screw steamer. Propeller wheel,the screw, usually having two or more blades, used in propelling a vessel.| Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc. |
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