impeller: Meaning and Definition of

im•pel•ler

Pronunciation: (im-pel'ur), [key]
— n.
  1. a person or thing that impels.
  2. a rotor for transmitting motion, as in a centrifugal pump, blower, turbine, or fluid coupling.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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