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

Buttons on the top of the transmitter unit can be used to manually switch the inputs and sound modes, including virtual surround sound and enhanced speech clarity when using TV or HDMI ARC sources. —Mark Sparrow, Forbes.com, 22 Jan. 2026

This compact Bluetooth audio transmitter adapter allows Case to connect her own headphones to the in-flight entertainment system. —Chaise Sanders, Travel + Leisure, 16 Jan. 2026

The development allows engineers to cram every radio part — receivers, filters, and transmitters — onto a single chip. —Mrigakshi Dixit, Interesting Engineering, 14 Jan. 2026

Protests in Tehran and Mashhad Online videos sent out of Iran, probably using Starlink satellite transmitters, purportedly showed demonstrators gathering in northern Tehran’s Punak neighborhood. —Jon Gambrell, Los Angeles Times, 11 Jan. 2026

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