transmitter

American  

[trans-mit-er, tranz-] / trænsˈmɪt ər, trænz- /

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.

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transmitter British  

/ 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

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transmitter Scientific  

/ trăns′mĭt-ər /

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

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Etymology

Origin of transmitter

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

Example Sentences

Also benefitting are the University of Strathclyde, to develop a satellite navigation system that doesn't rely on GPS, and Heriot-Watt University to help build a quantum communication transmitter for small satellites.

From BBC

Saudi jets could be equipped with downgraded avionics, reduced flight performance or range, limited weapons packages, hidden IFF transmitters and so forth.

From The Wall Street Journal

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

From Literature

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

From 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.

From BBC