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.
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
Agriculture is also a major emitter through the methane released by livestock during digestion as well as rice cultivation, where flooded fields create ideal conditions for methane-emitting bacteria.
From Barron's ● May 4, 2026
They identified a molybdenum-based "spin-flip" emitter as an effective solution.
From Science Daily ● Mar. 28, 2026
Their method involved bombarding aluminum foils with alpha rays produced by their usual rudimentary source, a hunk of the inexpensive but vigorous alpha emitter polonium.
From "Big Science" by Michael Hiltzik
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.
