emitter

American  

[ih-mit-er] / ɪˈmɪt ər /

noun

1. a person or thing that emits.

2. Electronics. an electrode on a transistor from which a flow of electrons or holes enters the region between the electrodes.

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emitter British  

/ ɪˈmɪtə /

noun

1. a person or thing that emits

2. a radioactive substance that emits radiation

   a beta emitter

3. the region in a transistor in which the charge-carrying holes or electrons originate

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Etymology

Origin of emitter

First recorded in 1880–85; emit + -er ¹

Example Sentences

He added that "such a deep suppression was a clear sign of destructive interference, and it had to be caused by something near the emitters."

From Science Daily

Environmentalists say Holcim ranks among the world's 100 biggest corporate CO2 emitters, and so bears significant responsibility for climate-related loss and damage.

From Barron's

The world's two biggest carbon emitters, China and the US, had similar impacts on this COP but achieved them in different ways.

From BBC

Japan is the world's fifth-largest single-country emitter of carbon dioxide, after China, the United States, India and Russia, and is heavily dependent on imported fossil fuels.

From Barron's

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