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 United States is the world's leading emitter of methane from its oil and gas sector, followed by Russia, according to the International Energy Agency.
From Barron's ● Oct. 27, 2026
The US is currently the second-biggest emitter of planet-warming greenhouse gases, such as carbon dioxide, behind China.
From BBC ● Sep. 14, 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
China is the world's biggest emitter of greenhouse gases, but it is also a global renewable energy powerhouse that aims to make its massive economy carbon-neutral by 2060.
From Barron's ● Jul. 7, 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
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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.
