Telecommunication

n. long-distance communication, communication by electronic devices; devices used for communications

Telecommunication is the transmission of signals over a distance for the purpose of communication. In modern times, this process typically involves the sending of electromagnetic waves by electronic transmitters, but in earlier times telecommunication may have involved the use of smoke signals, drums or semaphore or heliograph. Today, telecommunication is widespread and devices that assist the process, such as the television, radio and telephone, are common in many parts of the world. There are also many networks that connect these devices, including computer networks, public telephone networks, radio networks and television networks. Computer communication across the Internet is one of many examples of telecommunication.
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Noun
1. (often plural) systems used in transmitting messages over a distance electronically
(synonym) telecom
(hypernym) medium
(hyponym) telephone, telephony
(derivation) telecommunicate
(classification) plural, plural form
(class) duplex
2. (often plural) the branch of electrical engineering concerned with the technology of electronic communication at a distance
(hypernym) electrical engineering, EE
(classification) telecom
(classification) plural, plural form
(class) error correction code, ECC

n. telecommunication, long-distance communication, communication by electronic devices

1. Any transmission, emission, or reception of signs, signals, writing, images and sounds or intelligence of any nature by wire, radio, optical or other electromagnetic systems. [NTIA] [RR] 2. Any transmission, emission, or reception of signs, signals, writings, images, sounds, or information of any nature by wire, radio, visual, or other electromagnetic systems. [JP1]