transmitter

[ trans-mit-er, tranz- ]
/ trænsˈmɪt ər, trænz- /
|

noun

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

First recorded in 1720–30; transmit + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for transmitter

British Dictionary definitions for transmitter

transmitter

/ (trænzˈmɪtə) /

noun

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for transmitter

transmitter


n.

"apparatus for receiving radio signals," 1934, agent noun from transmit.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for transmitter

transmitter

[ trănsmĭt-ər ]

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.