[ moh-duh m, -dem ]
/ ˈmoʊ dəm, -dɛm /


an electronic device that makes possible the transmission of data to or from a computer via telephone or other communication lines.

verb (used with object)

to send or receive (information, data, or the like) via a modem.

Origin of modem

mo(dulator)-dem(odulator) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for modem

British Dictionary definitions for modem

/ (ˈməʊdɛm) /


computing a device for connecting two computers by a telephone line, consisting of a modulator that converts computer signals into audio signals and a corresponding demodulator

Word Origin for modem

C20: from mo (dulator) dem (odulator)
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

Science definitions for modem

[ mōdəm ]

A device for transmitting and receiving digital data over telephone wires. Modems send data by converting it into audio signals and receive it by converting audio signals back into digital form. The speed at which modems transmit data is measured in bps (bits per second).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for modem

[ (moh-duhm, moh-dem) ]

A device that links a personal computer to a telephone line, so that the computer can receive information from other computers.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.