[ dahy-uh l-uhp, dahyl- ]
/ ˈdaɪ əlˌʌp, ˈdaɪl- /

adjective Computers.

relating to or denoting a type of computer data transmission encoded in audio format and transmitted through a telephone call to an Internet service provider: A dial-up connection to the Internet is too slow to play most online video games.

Origin of dial-up

adj. use of verb phrase dial up

Word story

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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