- a person or thing that transmits.
- Also called transmitting 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.
- the part of a telephonic or telegraphic apparatus that converts sound waves or mechanical movements into corresponding electric waves or impulses.
- Biochemistry. neurotransmitter.
Origin of transmitter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for transmitter
The transmitter turns the iPod into an individual radio station, with a broadcast radius of a few feet.Decentralized Dance Parties: Raves’ Next Wave
February 3, 2012
Mr. Tainter saw me disappear from the window, and at once spoke to the transmitter.Heroes of the Telegraph
I put down the transmitter and pressed my hand to my forehead.
At length all was ready for a test and the message flashed from transmitter to receiver.The Age of Invention
He took the receiver from its hook and spoke into the transmitter.Cy Whittaker's Place
Joseph C. Lincoln
He jerked the receiver from the hook, placed it at his ear, and shouted into the transmitter.Cap'n Dan's Daughter
Joseph C. Lincoln
- a person or thing that transmits
- the equipment used for generating and amplifying a radio-frequency carrier, modulating the carrier with information, and feeding it to an aerial for transmission
- the microphone in a telephone that converts sound waves into audio-frequency electrical signals
- a device that converts mechanical movements into coded electrical signals transmitted along a telegraph circuit
- physiol short for neurotransmitter
Word Origin and History for transmitter
"apparatus for receiving radio signals," 1934, agent noun from transmit.
Online Etymology Dictionary, © 2010 Douglas Harper
- A device that converts sound, light, or electrical signals into radio, microwave, or other electrical signals of sufficient strength for the purpose of telecommunication. Compare receiver.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.