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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.
2. Medicine
a. To introduce (a drug or vaccine, for example) into a body part, especially by means of a syringe.
b. To treat by means of injection: injected the patient with digitalis.
3. To introduce into conversation or consideration: tried to inject a note of humor into the negotiations.
4. To place into circulation: inject money into the economy.
5. To place into an orbit or trajectory: inject a satellite into geosynchronous orbit.
6. Physics To cause (a beam of particles, for example) to strike a target.

[Latin inicere, iniect-, to throw in : in-, in; see in-2 + iacere, to throw; see yē- in Indo-European roots.]

in·jec′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. a person or thing that injects
2. (Automotive Engineering) a device for spraying fuel into the combustion chamber of an internal-combustion engine
3. (Mechanical Engineering) Also: inspirator a device for forcing water into a steam boiler
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.injector - a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)injector - a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)
appliance, contraption, contrivance, gadget, gismo, gizmo, widget, convenience - a device or control that is very useful for a particular job
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ɪnˈdʒɛktəʳ] n (Tech) → iniettore m
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


n. inyector, jeringa, dispositivo que se usa para inyectar.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Needle-free jet injector delivery system is one of the trending medical technology which received first FDA approval in 2014 for PharmaJet's injector for a flu vaccine.
One fix is a jet injector, a decades-old invention that can send a high-pressure, directed stream of fluid through the skin.
Both are presented in pre-filled syringes as well as multi-dose vials, and are the only influenza vaccines with a needle-free injection delivery option (PharmaJet Stratis 0.5ML Needle-Free Jet Injector) for people aged 18 to 64 years.
According to the company, tests conducted by ILC proved the ability of its Jet-Breaker system to produce homogeneous powder with proper particle size that ensures complete mixing with a Large Jet Injector.
Group A underwent Jet Injector anaesthesia (JI) for NSV and Group B underwent Needle Injection (NI) anaesthesia for NSV.
Jet injector compared with oral midazolam for preoperative sedation in chidren.
One product, Afluria, an ITV trivalent product, has been approved for administration using a needle-free jet injector in individuals ages 18 to 64 years.
This case is about a needle-assisted jet injector, and the holder of the patent wanted to add some additional safety features.
The Bioject ID Pen needle-free jet injector, developed by Portland, Ore.-based Bioject Medical Technologies, is anticipated to receive clearance from the Food and Drug Administration (FDA) this year for intradermal delivery.
While encouraging patients to use insulin, he informed them about various methods of injecting insulin in the body including insulin syringe, insulin pin, jet injector, insulin pump and automatic injector.
MIT CANADA has just introduced several models of the Agro-Jet, a needle-free jet injector for different niches in animal applications, and the Med-Jet, for human mass vaccinations.