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.
In China, however, ELI hasn’t been training litigators and judges to pursue comparable strategies against the world’s largest emitter of greenhouse gases.
From The Wall Street Journal ● Jul. 27, 2026
China is the world's biggest consumer of coal and the largest emitter of greenhouse gases, even as it installs renewable energy capacity at record speed.
From BBC ● May 23, 2026
By placing the sample extremely close to the emitter, the team captured the terahertz light before it could spread out.
From Science Daily ● Mar. 17, 2026
While the sector is still a relatively small emitter compared to other industries, it is having an outsize impact because of how fast its emissions are growing, the analysis found.
From Barron's ● Feb. 12, 2026
“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.
