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

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.
Deer ticks and dog ticks, which are both native to Connecticut, are most frequent transmitters of Lyme disease. Stephen Underwood, Hartford Courant, 25 Mar. 2026 Wireless mic system with two transmitters and a charging case. Andrew P. Collins, The Drive, 25 Mar. 2026 Even without a transmitter, the ASDE system still tracks every vehicle crossing the airport with radar. ABC News, 25 Mar. 2026 Much of that area relies on the station’s transmitters for television service. Liam Reilly, CNN Money, 21 Mar. 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

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Cite this Entry

“Transmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmitter. Accessed 30 Mar. 2026.

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

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