transmitter

[trans-mit-er, tranz-]

noun

1. a person or thing that transmits.

2. Also called transmitting set. Radio.,  a device for sending electromagnetic waves; the part of a broadcasting apparatus that generates and modulates the radiofrequency current and conveys it to the antenna.

3. the part of a telephonic or telegraphic apparatus that converts sound waves or mechanical movements into corresponding electric waves or impulses.

4. Biochemistry.,  neurotransmitter.

transmitter

/ trænzˈmɪtə /

noun

1. a person or thing that transmits

2. the equipment used for generating and amplifying a radio-frequency carrier, modulating the carrier with information, and feeding it to an aerial for transmission

3. the microphone in a telephone that converts sound waves into audio-frequency electrical signals

4. a device that converts mechanical movements into coded electrical signals transmitted along a telegraph circuit

5. physiol short for neurotransmitter

transmitter

1. A device that converts sound, light, or electrical signals into radio, microwave, or other electrical signals of sufficient strength for the purpose of telecommunication.

2. Compare receiver

Word History and Origins

Origin of transmitter¹

First recorded in 1720–30; transmit + -er ¹

Example Sentences

The buoys include GPS systems, transmitters, and solar panels.

Read more on Literature

Instead of acting as neutral guides, too many therapists now act as transmitters of political polarization—diagnosing it, promoting it, spreading it.

Read more on The Wall Street Journal

“The idea of having to use a broadcast transmitter of 50,000 watts is early 20th century technology,” he said.

Read more on Los Angeles Times

We passed the camera and transmitter gear which had been set up to observe not only monkeys but black bears, boar and many other wild species in Shennongjia.

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They glue tiny radio transmitters to their backs and release them.

Read more on Los Angeles Times