Telecommunications is the sending of messages over long distances by wire or radio. A telecommunications company.
It began with the telegraph, which cut the time for a message from weeks to minutes. Telecommunications is nearly always plural even when it names one industry.
1nountelecommunicationsThe sending of messages over long distances by wire or radio.
“The whole telecommunications network went down for six hours.”
telecommunications is an industry.
French
télécommunication
English
telecommunication
English, today
telecommunications
telecommunication comes from French télécommunication. Equivalent to tele- + communication.
Etymology from Wiktionary, CC BY-SA