: 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.
More signal in crowded spectrum Modern RF systems increasingly operate alongside other transmitters and sources of interference. — Aamir Khollam, Interesting Engineering, 2 Oct. 2026 Only a few major manufacturers include Auracast, and only on select headphones or earbuds — including Sony, JBL headphones, Samsung Galaxy Buds, and Sennheiser, which also released an Auracast transmitter this year. — John Higgins, The Verge, 28 Sep. 2026 Money transmission is regulated state by state, and most crypto platforms spend years assembling money transmitter licenses one jurisdiction at a time. — Ivan Kan, Forbes.com, 25 Sep. 2026 Kingsley’s got to be a transmitter to him with what Creed (Humphrey) calls or what Kingsley sees. — Pete Sweeney, Kansas City Star, 16 Sep. 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 9 Oct. 2026.

Kids Definition

: one that transmits
especially : a device that sends out radio or television signals

Medical Definition

transmitter

noun
: one that transmits
specifically : neurotransmitter

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