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mo·​dem ˈmō-dəm How to pronounce modem (audio)
-ˌdem How to pronounce modem (audio)
plural modems
: a device that converts signals produced by one type of device (such as a computer) to a form compatible with another (such as a telephone) and that is used especially to transmit and receive information between computers via landlines


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modemed; modeming; modems

transitive verb

: to send (something, such as data) via a modem

Examples of modem in a Sentence

Recent Examples on the Web
Law enforcement searched his home in 2020, and Anderegg admitted to having a peer-to-peer network on his computer and frequently resetting his modem, but he was not charged. Gaby Del Valle, The Verge, 21 May 2024 Beginning his journey in 1989 in digital marketing, Koenigs founded one of the very first digital marketing companies in the world, Digital Cafe, which relied on floppy disks, CD-ROMs, modems, and early online service providers like AOL, Prodigy, Delphi, AppleLink, and EarthLinkⓇ. Tyler Shepherd, USA TODAY, 12 May 2024 See all Example Sentences for modem 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'modem.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



modulator + demodulator

First Known Use


circa 1952, in the meaning defined above


1984, in the meaning defined above

Time Traveler
The first known use of modem was circa 1952

Dictionary Entries Near modem

Cite this Entry

“Modem.” Dictionary, Merriam-Webster, Accessed 30 May. 2024.

Kids Definition


: a device that changes signals from one form to a form which can be used by another kind of equipment
computer information is sent over telephone lines using a modem

More from Merriam-Webster on modem

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