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 - short for neurotransmitter
WordReference Random House Learner's Dictionary of American English © 2026
trans•mit•ter /trænsˈmɪtɚ, trænz-/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a person or thing that transmits.
trans•mit•ter
(trans mit′ər, tranz-),USA pronunciation n.
- a person or thing that transmits.
- 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. - the part of a telephonic or telegraphic apparatus that converts sound waves or mechanical movements into corresponding electric waves or impulses.
- Biochemistryneurotransmitter.
- transmit + -er1 1720–30
Collins Concise English Dictionary © HarperCollins Publishers::
'transmitter' also found in these entries (note: many are not synonyms or translations):
Daventry
- Dictograph
- Typhoid Mary
- VOX
- base station
- biotelemetry
- blanketing
- cell
- cellular phone
- channel
- crystal
- dipole
- dish
- door opener
- filler
- high frequency
- interrogator
- lead-in
- meacon
- multiplex
- neurotransmitter
- radar
- radio compass
- radio control
- radio range beacon
- radio-controlled
- radiosonde
- relay
- scan
- sender
- skip distance
- spark transmitter
- teleprinter
- television
- terrestrial
- traducianism
- transceiver
- translator
- transmission
- transponder
- walkie-talkie
- waveguide