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

Example Sentences

Mosquitoes are the main transmitters of the disease.
Recent Examples on the Web The chick was just one of three that was fitted with a transmitter this summer. Emily Mesner, Anchorage Daily News, 30 Oct. 2022 But the second issue was more pressing in that moment: Clevinger couldn’t hear his catcher’s pitch call through the PitchCom transmitter embedded in the band of his cap. Staff Writer Follow, Los Angeles Times, 12 Oct. 2022 With the transmitter in place, businesses can then add things like wireless signage, shades, faucets, locks and more. Ori Mor, Forbes, 17 Aug. 2022 The camera would fire, a small transmitter would send a signal to several flash units to fire, and whatever was moving past the remote trigger would be photographed. Ernie Cowan, San Diego Union-Tribune, 15 Oct. 2022 Your vocabulary word of the day is radiosonde, which is a small instrument package and transmitter that can be carried into the atmosphere by a weather balloon. John Timmer, Ars Technica, 22 Sep. 2022 Moreover, the bird was exactly the age and species researchers at the station hoped to capture, fit with a transmitter and release as part of a new Red-Tailed Hawk Project being run by Bryce Robinson of Cornell University. Paul A. Smith, Milwaukee Journal Sentinel, 4 Dec. 2021 Each transmitter covers a roughly 30 x 30-foot area with 20 users and can be stacked to improve coverage. Anshel Sag, Forbes, 9 June 2022 The key transmitter on the new probe and its instruments, including magnetometers and spectrometers, would be many times more powerful than their 1977 equivalents. Tom Metcalfe, NBC News, 30 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transmitter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1727, in the meaning defined above

Time Traveler
The first known use of transmitter was in 1727

Dictionary Entries Near transmitter

Cite this Entry

“Transmitter.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2022.

Kids Definition



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



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

More from Merriam-Webster on transmitter

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