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telephony

American  
[tuh-lef-uh-nee] / təˈlɛf ə ni /

noun

  1. the construction or operation of telephones or telephonic systems.

  2. a system of telecommunications in which telephonic equipment is employed in the transmission of speech or other sound between points, with or without the use of wires.

telephony British  
/ tɪˈlɛfənɪ /

noun

  1. a system of telecommunications for the transmission of speech or other sounds

"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 telephony

First recorded in 1825–35; telephone + -y 3

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.