tele-communication

noun

1. Sometimes telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
2. Sometimes telecommunication. (used with a singular verb) the science and technology of such communication.
3. telecommunication, a message so transmitted.

adjective

4. of or relating to telecommunications.

noun

1. (functioning as singular) the science and technology of communications by telephony, radio, television, etc