: 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 sound was moving, and Larry raced for our plane and turned on the emergency transmitter. Ben East, Outdoor Life, 14 May 2026 The ultrasonic transmitters emitted these sound waves through the rods, which interact acoustically via the epoxy. IEEE Spectrum, 18 June 2026 People with pacemakers also have to avoid things like radio transmitters, security wands, MRI machines and more to reduce the risk of malfunction. Alex Knapp, Forbes.com, 5 June 2026 But what sets them apart from competitors is the Auracast-compatible audio transmitter that lets the headphones connect to (and share) audio with other Auracast devices. Sheena Vasani, The Verge, 24 June 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 7 Jul. 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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