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.
The group is exploring using other semiconductors, such as diamond, to toughen the transmitter. Katherine Bourzac, IEEE Spectrum, 2 Apr. 2026 This places it among the fastest chip-scale optical wireless transmitters demonstrated so far. Neetika Walter, Interesting Engineering, 31 Mar. 2026 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 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

Browse Nearby Words

Cite this Entry

“Transmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmitter. Accessed 6 Apr. 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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