transmitter

[ trans-mit-er, tranz- ]

noun

1. a person or thing that transmits.
2. Also called transmitting set. Radio. a device for sending electromagnetic waves; the part of a broadcasting apparatus that generates and modulates the radiofrequency current and conveys it to the antenna.
3. the part of a telephonic or telegraphic apparatus that converts sound waves or mechanical movements into corresponding electric waves or impulses.
4. Biochemistry. neurotransmitter.

transmitter

/ trænzˈmɪtə /

noun

1. a person or thing that transmits
2. the equipment used for generating and amplifying a radio-frequency carrier, modulating the carrier with information, and feeding it to an aerial for transmission
3. the microphone in a telephone that converts sound waves into audio-frequency electrical signals
4. a device that converts mechanical movements into coded electrical signals transmitted along a telegraph circuit
5. physiol short for neurotransmitter

transmitter

/ trăns′mĭt-ər /

1. A device that converts sound, light, or electrical signals into radio, microwave, or other electrical signals of sufficient strength for the purpose of telecommunication.
2. Compare receiver

Word History and Origins

Origin of transmitter¹

First recorded in 1720–30; transmit + -er ¹

Example Sentences

While no longer resembling a bulky transmitter, the basic hearing-aid concept is the same as when I was in high school 50 years ago.

From Salon

These devices were capable of being detonated remotely and the gunman had a transmitter, Mr Wray said.

From BBC

The transmitter, which is coincidentally also named Venus, is part of the Deep Space Network, or DSN.

From Los Angeles Times

He said birds and rodents can be mechanical transmitters, and wild birds are common visitors in both dairy and poultry farms.

From Los Angeles Times

When scientists want to study the long-distance movement of marine animals, they will instrument them with a small device called an acoustic transmitter -- or tag -- which emits unique signals or "pings."

From Science Daily