Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A device for transmitting usually digital data over telephone wires by modulating the data into an audio signal to send it and demodulating an audio signal into data to receive it.
  • transitive v. To transmit or be transmitted by a modem.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device that encodes digital computer signals into analog/analogue telephone signals and vice versa and allows computers to communicate over a phone line.

from the GNU version of the Collaborative International Dictionary of English

  • n. An electronic device that converts electronic signals into sound waves, and sound waves into electronic signals, used to transmit information between computers by the use of ordinary telephone lines; also called modulator-demodulator. The speed of transmission of information by a modem is usually measured in units of baud, equivalent to bits per second.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line

Etymologies

mo(dulator) + dem(odulator).
(American Heritage® Dictionary of the English Language, Fourth Edition)
Short for modulator-demodulator. (Wiktionary)

Examples

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  • using a telephone line to connex computers

    October 23, 2010