Dictionary.com
Thesaurus.com
Synonyms

telecommunications

American  
[tel-i-kuh-myoo-ni-key-shuhnz] / ˌtɛl ɪ kəˌmyu nɪˈkeɪ ʃənz /

noun

  1. (used with a singular verb) Sometimes telecommunication. the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.

  2. (used with a singular verb) Sometimes telecommunication. the science and technology of such communication.

  3. telecommunication, a message so transmitted.

adjective

  1. of or relating to telecommunications.

telecommunications British  
/ ˌtɛlɪkəˌmjuːnɪˈkeɪʃənz /

noun

  1. (functioning as singular) the science and technology of communications by telephony, radio, television, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of telecommunications

First recorded in 1930–35; tele- 1 + communication + -s 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Private-sector backers include Sony, Toyota and telecommunications firm NTT.

From The Wall Street Journal • Apr. 4, 2026

Large infrastructure funds are eyeing the telecommunications and wireless communications infrastructure company, according to the report, which says that SBA is currently evaluating interest from parties and is in discussions with advisors.

From Barron's • Apr. 3, 2026

The recent telecommunications momentum shouldn’t be too surprising, MoffettNathanson analyst Craig Moffett noted recently.

From MarketWatch • Apr. 2, 2026

Cybersecurity experts believe attacks conducted by Iranian state-backed factors and affiliated hacktivist groups could continue, likely targeting critical service providers in the energy, telecommunications, military, and finance sectors across the U.S. and its allies.

From Barron's • Mar. 29, 2026

Drivers were, arguably, the most important early market for mobile telecommunications.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.