injector
Americannoun
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a person or thing that injects.
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Machinery.
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a device for injecting feedwater into a boiler against high pressure by means of a jet of steam.
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Also called fuel injector. a mechanism consisting of a pump, valves, and nozzles for spraying fuel into the cylinders of an internal-combustion engine.
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noun
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a person or thing that injects
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a device for spraying fuel into the combustion chamber of an internal-combustion engine
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Also: inspirator. a device for forcing water into a steam boiler
Etymology
Origin of injector
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ozempic and Wegovy had been first to market and sold via injector pens, but Lilly had just launched a cheaper way to distribute tirzepatide, its GLP-1 for weight loss branded as Zepbound — in vials.
From MarketWatch ● Aug. 5, 2026
By using multiple electrodes and a technical gas injector, the researchers are increasing the reaction volume from approximately 50 milliliters to five liters.
From Science Daily ● Jul. 20, 2026
There was a company called Mylan, which was best known for buying EpiPen, the lifesaving injector for severe allergic reactions, especially for kids, and then multiplying the price sevenfold in under a decade.
From Barron's ● Apr. 10, 2026
They are also required to ensure the medicine is supplied to an experienced injector to administer.
From BBC ● Oct. 13, 2025
Gene Johnson had brought a special injector back from Africa.
From "The Hot Zone" by Richard Preston
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
