dial-up
US /ˈdaɪəl.ʌp/
UK /ˈdaɪəl.ʌp/
1.
a form of Internet access that uses a modem to connect to an Internet service provider (ISP) via a standard telephone line
:
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In the early days of the internet, most people used dial-up connections.
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The slow speed of dial-up made streaming videos almost impossible.
1.
relating to or involving a dial-up connection
:
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The old computer only had a dial-up modem.
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We had to wait for the dial-up tone before connecting.