modem

1 of 2

noun

mo·​dem ˈmō-dəm How to pronounce modem (audio)
also
-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

modem

2 of 2

verb

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
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Noun
While the focus of the ad is Comcast's broadband business — the service representative is imposed into scenes from the original film, saving the day with simple fixes like plugging in an Xfinity modem and router — the commercial grabs from other parts of the Comcast empire, too. Sarah Whitten,sara Salinas,sarah Jackson,leslie Josephs, CNBC, 8 Feb. 2026 The drone may also have satellite and 3G/4G modem guidance systems. Christopher McFadden, Interesting Engineering, 4 Feb. 2026 Oh, and maybe swap out your modem. Christian Allaire, Vogue, 28 Jan. 2026 Several companies now make transmitters — about the size of an internet modem — that venues can install. Lisa Schencker, Chicago Tribune, 24 Jan. 2026 See All Example Sentences for modem

Word History

Etymology

Noun

modulator + demodulator

First Known Use

Noun

circa 1952, in the meaning defined above

Verb

1984, in the meaning defined above

Time Traveler
The first known use of modem was circa 1952

Browse Nearby Words

Cite this Entry

“Modem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/modem. Accessed 14 Feb. 2026.

Kids Definition

modem

noun
mo·​dem
ˈmō-ˌdem
: 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

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