emitter

[ih-mit-er]

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.

emitter

/ 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

Word History and Origins

Origin of emitter¹

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

Example Sentences

China is the world’s biggest emitter of greenhouse gases, accounting for roughly one-third of the global total.

Read more on The Wall Street Journal

She noted that the US is the second-worst carbon emitter in the world behind China.

Read more on BBC

As the world's biggest emitter, China's plans are key to keeping this goal in sight.

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Eliminating free credits and strengthening the program’s cap run the real risk of driving refineries and other large emitters out of the state, industry officials said.

Read more on Los Angeles Times

But why has India - the world's third largest carbon emitter - decided to stick to coal in the first place?

Read more on BBC