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impeller
im·pel·ler [ im péllər ] (plural im·pel·lers)


noun 
Definition:
 
rotor mechanism in pump: the rotating part that transmits motion in a device such as a centrifugal pump, turbine, or blower
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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