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

Participants can stay with the group, dip their toes in the water or walk over 300 feet away because the headphones are connected via radio transmitter, not Bluetooth. —Martin Vassolo, Axios, 18 Dec. 2024

Voyager unexpectedly turned off its primary radio transmitter, known as its X-band, before turning on its much weaker S-band transmitter in October. —Greg Wehner, Fox News, 1 Dec. 2024

Voyager 1 then switched to using its S-band transmitter, which hadn't been used since the 1980s, and NASA reconnected to the probe. —Thomas G. Moukawsher, Newsweek, 29 Nov. 2024

The biologist acted with cat-like quickness to check the bird’s health and change a transmitter that was no longer working. —Cecilia Rodriguez, Forbes, 26 Nov. 2024

Word History

First Known Use

1727, in the meaning defined above

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