trans·mit·ter | \tran(t)s-ˈmi-tər, tranz-;ˈtran(t)s-ˌmi-, ˈtranz- \

Definition of transmitter 

: one that transmits: such as

a : an apparatus for transmitting radio or television signals

b : neurotransmitter

Examples of transmitter in a Sentence

Mosquitoes are the main transmitters of the disease.

Recent Examples on the Web

The other was a conflagration over a plan by the town to install several powerful radio transmitters and antennas to eliminate dead spots in the police department’s communications network. Aaron Pressman, Fortune, "Data Sheet—The Wireless Industry's Real 5G Challenge," 6 June 2018 According to Lulu Chang of Digital Trends, wireless transmitters will be installed in church spires and towers, and the buildings will also be decked out with aerials, satellite dishes and fiber cables. Brigit Katz, Smithsonian, "How Churches Are Improving Wi-Fi Access in Rural England," 20 Feb. 2018 Elk expansion In a series of events now taking place in the north state, the DFW is capturing 59 Roosevelt elk to be ear tagged and fitted with GPS collars, and pregnant females are receiving an additional transmitter to monitor their pregnancies. Tom Stienstra, San Francisco Chronicle, "2-week showdown to protect deer, stop poachers," 11 Feb. 2018 Carlisle and his group forcus their research on understanding the reproductive success of the curlews in different habitats as well as studying migratory patterns using lightweight satellite transmitters. Kevin Davenport, idahostatesman, "Why are curlews declining in Idaho? Turns out, humans are their most deadly predator.," 18 June 2018 According to Hollinshead, the plane's emergency locator transmitter has made intermittent transmissions. Nicole Blanchard, idahostatesman, "Search underway near Boise for pilot who never arrived at destination | Idaho Statesman," 14 May 2018 Unfortunately, unlike satellites that look down from Earth orbit, ground transmitters have relatively short ranges and can also be jammed. Kyle Mizokami, Popular Mechanics, "The US Army Is Developing Artillery That Has GPS Precision—Without GPS," 10 Apr. 2018 Recent technological advances, including compaction of transmitters, have even enabled its use with insects in the context of pollination, crop pests and conservation. Katherine J. Wu, Smithsonian, "How Tiny Trackers Could Help Humans Avoid Kissing Bugs’ Deadly Smooch," 9 July 2018 Even better, all the modulation techniques that make the current generation of transmitters so efficient in their use of spectrum can be used directly. Chris Lee, Ars Technica, "Laser-powered cell phone transmitters could be in your future," 9 May 2018

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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Statistics for transmitter

Last Updated

7 Oct 2018

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Time Traveler for transmitter

The first known use of transmitter was in 1727

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More Definitions for transmitter



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 \

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 \

Medical Definition of transmitter 

: one that transmits specifically : neurotransmitter

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