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impeller

 - 2 dictionary results

im⋅pel⋅ler

[im-pel-er]
–noun
1. a person or thing that impels.
2. a rotor for transmitting motion, as in a centrifugal pump, blower, turbine, or fluid coupling.

Origin:
1675–85; impel + -er 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To impeller
im·pel·ler   (ĭm-pěl'ər)   
n.  
  1. One that impels, as a rotating device used to force a fluid in a desired direction under pressure.

  2. A rotor or rotor blade.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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