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noun

emitter

uh-mih-tuh

Emitter (noun) means a device or thing that gives off something, such as light, heat, or a signal. Example: “An infrared emitter in the remote control sends signals to the TV.”

noun
1
A device or thing that gives off something, such as light, heat, or a signal.
"An infrared emitter in the remote control sends signals to the TV."
2
In electronics, one of the three terminals of a bipolar transistor.
"Current flows from the emitter to the collector when the transistor is switched on."

How to use emitter

Learner’s notes

In plain EnglishSomething that sends out or releases a substance, energy, or signal.

Common pairings
light emitter heat emitter transistor emitter

Word forms

emitters plural

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Fill the gap

Can you complete this real example?

An infrared _____ in the remote control sends signals to the TV.

Etymology

From emit + the agent suffix -er, meaning "one that emits."

Rhymes for emitter

See all rhymes for emitter →

Frequently asked questions

What does “emitter” mean?

The word “emitter” means a device or thing that gives off something, such as light, heat, or a signal. In plain terms, something that sends out or releases a substance, energy, or signal.

How do you pronounce “emitter”?

“Emitter” is pronounced uh-mih-tuh (/əmɪtə/ in IPA).

How do you use “emitter” in a sentence?

Here is “emitter” used in a sentence: “An infrared emitter in the remote control sends signals to the TV.”

What part of speech is “emitter”?

“Emitter” is a noun.

How many meanings does “emitter” have?

“Emitter” has 2 distinct senses listed in this dictionary. The most common is: a device or thing that gives off something, such as light, heat, or a signal.

Definitions: FreeDict original editorial