trans·​mit·​ter | \ tran(t)s-ˈmi-tər How to pronounce transmitter (audio) , tranz-; ˈtran(t)s-ˌmi-, ˈtranz- How to pronounce transmitter (audio) \

Definition of transmitter

: 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 People can stay in their car and hear the entire service via FM transmitter. cleveland, "Avon United Methodist Church celebrates 200 years: Short Takes on Avon, Avon Lake and North Ridgeville," 5 Sep. 2020 Other materials include a cannibalized empty refrigerant can, trailer hitch, steel bar, steel wire, fender washers and piezo microphone along with FM transmitter, solar panel battery charger, paint, grease and welding wire. Linda Mcintosh, San Diego Union-Tribune, "Music-making butterfly among whimsical new sculptures in Vista," 1 Sep. 2020 The National Weather Service said accurate rainfall totals were not yet available, and several radar and transmitter sites appeared to have been damaged by the storm. Ryan W. Miller, USA TODAY, "Hurricane Laura live coverage: After historic storm makes landfall in Louisiana, forecasters warn of 'catastrophic storm surge'," 27 Aug. 2020 If the pet crosses the boundary, a transmitter emits a corrective tone or static shock to the dog's receiver/collar. Michael Pollick,, "The best invisible fence of 2020," 4 Aug. 2020 The team envisages that the final design will also feature a wireless transmitter, so each sensor can relay information to a control center via local data hubs and then satellites in order to alert emergency services of fires. Ian Randall, Science | AAAS, "Self-powered wildfire detector could help prevent deadly blazes," 24 Aug. 2020 The transmitter's effectiveness, McCarty notes, will also need to be tested in the field. Karen Kwon, Scientific American, "Cheap, Self-Powered Fire Sensor Could Sound an Early Alarm," 18 Aug. 2020 The current setup is a 150-inch screen attached to a flatbed truck, but Ferguson notes that future showings will incorporate a mobile screen and a FM transmitter. Michele Herrmann, Smithsonian Magazine, "This Is the Summer of the Drive-In Theater," 26 June 2020 Each shark was outfitted with a small location transmitter, which sent an identifiable signal if a shark approached one of the 65 receivers scattered strategically around the reef. Theresa Machemer, Smithsonian Magazine, "Grey Reef Sharks Hunt With the Same Group for Years—but Don’t Call Them Friends," 19 Aug. 2020

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.

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First Known Use of transmitter

1727, in the meaning defined above

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Time Traveler for transmitter

Time Traveler

The first known use of transmitter was in 1727

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Statistics for transmitter

Last Updated

16 Sep 2020

Cite this Entry

“Transmitter.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2020.

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More Definitions for transmitter


How to pronounce transmitter (audio) How to pronounce transmitter (audio)

English Language Learners Definition of transmitter

: a device that sends out radio or television signals
: a person or thing that causes something to be spread or transmitted to others


trans·​mit·​ter | \ trans-ˈmi-tər How to pronounce transmitter (audio) \

Kids Definition of transmitter

1 : someone or something that transmits something
2 : the part of a telephone that includes the mouthpiece and a device that picks up sound waves and sends them over the wire
3 : a device that sends out radio or television signals


trans·​mit·​ter | \ -ˈmit-ər How to pronounce transmitter (audio) \

Medical Definition of transmitter

: one that transmits specifically : neurotransmitter

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