transmitter

noun

trans·​mit·​ter tran(t)s-ˈmi-tər How to pronounce transmitter (audio)
tranz-;
ˈtran(t)s-ˌmi-, 
ˈtranz- How to pronounce transmitter (audio)
: one that transmits: such as
a
: an apparatus for transmitting radio or television signals
b
: neurotransmitter

Examples of transmitter in a Sentence

Mosquitoes are the main transmitters of the disease.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This is the one weekend of the year when the music industry sees Chicago not just as a lucrative, multivenue stop on a thousand touring schedules, but as a tastemaker, a transmitter of music culture. — The Editorial Board, Chicago Tribune, 1 Aug. 2026 In late 2024, X weirdly ended up withdrawing its application for a money transmitter license in the state. — Ashley Belanger, ArsTechnica, 29 July 2026 The juvenile sharks are fitted with acoustic transmitters, so the scientists can monitor their movements within the Galápagos Marine Reserve. — Laura Baisas, Popular Science, 29 July 2026 These transmitters, called BlūMorpho tags, had been developed by a company called Cellular Tracking Technologies, and Cinderella, Eric, and Carle were part of the first generation of monarchs to wear them. — Vann R. Newkirk Ii, The Atlantic, 28 July 2026 See All Example Sentences for transmitter

Word History

First Known Use

1727, in the meaning defined above

Time Traveler
The first known use of transmitter was in 1727

Rhymes for transmitter

See All Rhymes for transmitter

Browse Nearby Words

transmittancy
transmitter
transmitting set
See all Nearby Words

Cite this Entry

“Transmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmitter. Accessed 7 Aug. 2026.

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Kids Definition

transmitter

noun
trans·​mit·​ter tran(t)s-ˈmit-ər How to pronounce transmitter (audio) tranz- How to pronounce transmitter (audio)
: one that transmits
especially : a device that sends out radio or television signals

Medical Definition

transmitter

noun
trans·​mit·​ter -ˈmit-ər How to pronounce transmitter (audio)
: one that transmits
specifically : neurotransmitter

More from Merriam-Webster on transmitter

Nglish: Translation of transmitter for Spanish Speakers

Britannica.com: Encyclopedia article about transmitter

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