telecommunication

/ ˌtɛlɪkəˌmjuːnɪˈkeɪʃən /

noun

1. the telegraphic or telephonic communication of audio, video, or digital information over a distance by means of radio waves, optical signals, etc, or along a transmission line

telecommunication

/ tĕl′ĭ-kə-myo̅o̅′nĭ-kā′shən /

1. The science and technology of sending and receiving information such as sound, visual images, or computer data over long distances through the use of electrical, radio, or light signals, using electronic devices to encode the information as signals and to decode the signals as information.