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injector

 - 3 dictionary results

in⋅jec⋅tor

[in-jek-ter]
–noun
1. a person or thing that injects.
2. Machinery.
a. a device for injecting feedwater into a boiler against high pressure by means of a jet of steam.
b. Also called fuel injector. a mechanism consisting of a pump, valves, and nozzles for spraying fuel into the cylinders of an internal-combustion engine.

Origin:
1735–45; inject + -or 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·ject   (ĭn-jěkt')   
tr.v.   in·ject·ed, in·ject·ing, in·jects
  1. To force or drive (a fluid) into something: inject fuel into an engine cylinder; inject air into a liquid mixture.

    1. Medicine To introduce (a drug or vaccine, for example) into a body part, especially by means of a syringe.

    2. To treat by means of injection: injected the patient with digitalis.

  2. To introduce into conversation or consideration: tried to inject a note of humor into the negotiations.

  3. To place into an orbit, trajectory, or stream.


[Latin inicere, iniect-, to throw in : in-, in; see in-2 + iacere, to throw; see yē- in Indo-European roots.]
in·jec'tor n.
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: in·jec·tor
Pronunciation: in-'jek-t&r
Function: noun
: a device for injecting or making an injection
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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