/ ˌtelikəˌmjuːnɪˈkeɪʃnz; NAmE / (also informal tele·coms / ˈtelikɒmz; NAmE -kɑːmz/) noun
[ pl. ] the technology of sending signals, images and messages over long distances by radio, telephone, television, satellite , etc. :
technological developments in telecommunications
the telecommunications industry
► tele·com·mu·ni·ca·tion adjective [ only before noun ]:
a telecommunication company
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WORD ORIGIN
1930s: from French télécommunication , from télé- at a distance + communication communication.