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

More efficient micro-LED transmitters could eventually help data centers increase communication speeds without relying exclusively on power-hungry lasers. — Aamir Khollam, Interesting Engineering, 30 Oct. 2026

Two satellites simultaneously record the same stretch of spectrum, relying on differences in the signals’ arrival times and Doppler shifts to estimate a transmitter’s location. — IEEE Spectrum, 28 Oct. 2026

Carpenter learned how to put such a station together from Berkeley, California pirate radio guru Stephen Dunifer, got help building a transmitter, and started her first radio project, KPBJ, in her San Francisco apartment. — Pat Saperstein, Variety, 27 Oct. 2026

These small cell sites can be built by placing backpack-sized radio transmitters on street lights, building sides, or poles. — Michael Kan, PC Magazine, 23 Oct. 2026

Word History

First Known Use

1727, in the meaning defined above

Rhymes for transmitter

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

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