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ejector

 - 3 dictionary results

e⋅jec⋅tor

[i-jek-ter]
–noun
1. a person or thing that ejects.
2. (in a firearm or gun) the mechanism that after firing throws out the empty cartridge or shell.
3. Also called eductor. a device for inducing a flow of a fluid from a chamber or vessel by using the pressure of a jet of water, air, steam, etc., to create a partial vacuum in such a way as to entrain the fluid to be removed.
4. any of various devices for removing work from a machine or die.

Origin:
1630–40; eject + -or 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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e·jec·tor   (ĭ-jěk'tər)   
n.  
  1. One that ejects, especially a device in a gun that ejects the empty shell after each firing.

  2. A device using a jet of water, air, or steam to withdraw a fluid or gas from a space.

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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Medical Dictionary

Main Entry: ejec·tor
Pronunciation: i-'jek-t&r
Function: noun
: something that ejects —see SALIVA EJECTOR
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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