transmitter

noun

trans·​mit·​ter tran(t)s-ˈmi-tər 

tranz-;

ˈtran(t)s-ˌmi-, 

ˈtranz- 

: 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

Powering EVs in motion The Purdue system uses transmitter coils embedded in the roadway that generate a magnetic field. —Georgina Jedikovska, Interesting Engineering, 7 Dec. 2025

Two of the cubs were fitted with GPS transmitters as part of a partnership with Cheyenne Mountain Zoo to study the effectiveness of bear rehabilitation and release. —CBS News, 6 Dec. 2025

The camera lacks an onboard flash but features a standard hot shoe that is compatible with external flashes or a wireless transmitter, which requires a minimum 1/250-second sync speed. —PC Magazine, 1 Dec. 2025

This compact Bluetooth transmitter plugs into the plane’s audio jack, letting your stream in-flight entertainment straight to your AirPods or wireless headphones. —Chaise Sanders, Travel + Leisure, 1 Dec. 2025

Word History

First Known Use

1727, in the meaning defined above

Rhymes for transmitter

• embitter
• emitter
• outfitter
• remitter
• submitter
• babysitter
• bitter
• critter
• fitter
• fritter
• glitter
• hitter

Kids Definition

transmitter

noun

trans·​mit·​ter tran(t)s-ˈmit-ər  tranz- 

: one that transmits

especially : a device that sends out radio or television signals

Medical Definition

transmitter

noun

trans·​mit·​ter -ˈmit-ər 

: one that transmits

specifically : neurotransmitter