1727, "one who transmits," agent noun from transmit. In telegraphy from 1844. The meaning "apparatus for transmitting radio signals" is from 1934.
Entries linking to transmitter
transmit v.
"send over, onward, or along," c. 1400, from Latin transmittere "send across, cause to go across, transfer, pass on," from trans "across, beyond" (see trans-) + mittere "to release, let go; send, throw" (see mission). Related: Transmitted; transmitting.
neurotransmitter n.
"chemical substance which transmits an impulse from one nerve fiber to another or others," 1959, from neuro- + transmitter.