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Denotation vs. Connotation

impeller

[im-pel-er] /ɪmˈpɛl ər/
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 of impeller
1675-1685
1675-85; impel + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for impeller
Historical Examples
  • She pressed the impeller—just as his left foot kicked in a high arc and caught the side of the barrel.

    Evil Out of Onzar Mark Ganes
  • As he did, he saw Astrid's knuckles tighten around the impeller.

    Evil Out of Onzar Mark Ganes
  • For instance, Zwingli asserted that God was the "author, mover, and impeller to sin."

British Dictionary definitions for impeller

impeller

/ɪmˈpɛlə/
noun
1.
the vaned rotating disc of a centrifugal pump, compressor, etc
2.
a compressor or centrifugal pump having such an impeller
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for impeller
n.

1680s, agent noun from impel (v.). As a machine part from 1890.

Online Etymology Dictionary, © 2010 Douglas Harper
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12
16
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