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.
The longer this coherence persists, the better the emitter can perform in applications that depend on precise interactions with light.
From Science Daily ● Oct. 20, 2026
The United States is the world's second-biggest emitter of planet-heating gases.
From Barron's ● Sep. 28, 2026
India is the world's third largest emitter of greenhouse gases and facing a sharp rise in electricity demand, which has grown at a compounded rate of over 7% every year.
From BBC ● Sep. 22, 2026
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
One day he told Seaborg triumphantly that he had found an alpha emitter and had already ruled out that it could be an isotope of element 91, 92, or 93.
From "Big Science" by Michael Hiltzik
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
