tel·e·com·mu·ni·ca·tion
(tĕl′ĭ-kə-myo͞o′nĭ-kā′shən)n.1. often telecommunications(used with sing. verb) The science and technology of communication at a distance by transmission of electrical impulses, electromagnetic waves, or optical pulses, as by telephone, radio, television, or computer network: Telecommunications is an important area of professional growth.
2. a. often telecommunications(used with a pl. verb) The systems used in transmitting such messages: Telecommunications were disrupted by the brownout.
b. A message so transmitted.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
telecommunications
(ˌtɛlɪkəˌmjuːnɪˈkeɪʃənz) n (Telecommunications) (functioning as singular) the science and technology of communications by telephony, radio, television, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tel•e•com•mu•ni•ca•tions
(ˌtɛl ɪ kəˌmyu nɪˈkeɪ ʃənz)
n. 1. Sometimes, telecommunication. (used with a sing. v.) the science and technology of transmitting information, as words, sounds, or images, over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
2. Usu., telecommunication. the act or fact of communicating in such a manner.
[1930–35]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
telecommunications
The transfer of information by any electromagnetic means such as wire or radio waves. It includes telephones, telegraphy, radio, and television. It relies on a transmitter, a transmission channel, and a receiver.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited