emitter
Americannoun
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a person or thing that emits.
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Electronics. an electrode on a transistor from which a flow of electrons or holes enters the region between the electrodes.
noun
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a person or thing that emits
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a radioactive substance that emits radiation
a beta emitter
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the region in a transistor in which the charge-carrying holes or electrons originate
Etymology
Origin of emitter
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.
It has since invested in funds that include Indian energy giant Reliance Industries, which owns the largest oil refinery in the world, and The Southern Company, the second-biggest greenhouse gas emitter in the United States.
From Barron's • Jun. 5, 2026
They identified a molybdenum-based "spin-flip" emitter as an effective solution.
From Science Daily • Mar. 28, 2026
But the world's largest carbon emitter China, usually India's ally at climate negotiations to counter developed countries, has already submitted its updated climate plan.
From BBC • Nov. 20, 2025
The country is the world's sixth-largest emitter of greenhouse gases.
From Barron's • Oct. 30, 2025
“But you can use it to make a different type of emitter for sympathy lamps. You get a bluish light instead of the ordinary red. A little easier on the eyes. Fetch outrageous prices.”
From "The Name of the Wind" by Patrick Rothfuss
Definitions 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.
