Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun One that impels, as a rotating device used to force a fluid in a desired direction under pressure.
- noun A rotor or rotor blade.
from The Century Dictionary.
- noun One who or that which impels.
- noun Specifically, the revolving wheel or pumping element of a centrifugal fan or pump.
from the GNU version of the Collaborative International Dictionary of English.
- noun One who, or that which, impels.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Something which or someone who
impels , usually a part of a pump.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the blade of a rotor (as in the compressor of a jet engine)
Etymologies
Sorry, no etymologies found.
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Examples
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In these pumps, the impeller is a wheel with blades radiating from the centre to the periphery which, when rotated at high speed, impart movement to the water and produce an outward flow due to centrifugal forces; the angle between the direction of entry and exit of water flow is 90 degrees.
7. Pumping equipment 1992
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The only moving component within the pump is the impeller, which is levitated and rotated within the pump chamber in a contact-free manner.
Medgadget 2009
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The impeller is the device that creates suction and if it becomes damaged, you have to replace your sump pump.
xml's Blinklist.com 2008
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But it is rude and disingenuous for you to block the activities of those of us who expect to stick around when we try to do something about the poop we might happen to perceive nearing the air impeller.
Tom McIntyre Explains His Picks for our 2009 Hunting and Fishing Heroes and Villians Face-Off 2009
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But it is rude and disingenuous for you to block the activities of those of us who expect to stick around when we try to do something about the poop we might happen to perceive nearing the air impeller.
Tom McIntyre Explains His Picks for our 2009 Hunting and Fishing Heroes and Villians Face-Off 2009
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The impeller can rotate even when the machine is off.
The white stuff: Using your snow blower to maximum effect 2011
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Two-stage gas snow blowers Two-stage gas-powered snow blowers feature wider augers and a spinning impeller that can handle deeper snow.
The white stuff: Using your snow blower to maximum effect 2011
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I do occasionally do paintball, because I see it as training, you can't practically get any other way, but I am a martial artist as well as a veteran, so life is training and training is life, especially when the poop hits the air impeller and you need the trained reflexes to handle the emergency.
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Certainly if the poop hits the air impeller and he needs his neighbors co-operation he'll have a harder time getting it.
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Certainly if the poop hits the air impeller and he needs his neighbors co-operation he'll have a harder time getting it.
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