noun
- the construction or operation of telephones or telephonic systems.
- a system of telecommunications in which telephonic equipment is employed in the transmission of speech or other sound between points, with or without the use of wires.
noun
- a system of telecommunications for the transmission of speech or other sounds
n.1835, “a system of signaling by musical sounds;” from 1876 as “the art of working a telephone;” see tele- + -phone.