DSL - definition in the Business English Dictionary - Cambridge Dictionaries Online (US)

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English definition of “DSL”

DSL

noun [U]
 
 
INTERNET, COMMUNICATIONS
abbreviation for Digital Subscriber Line: a technology that uses ordinary phone lines to provide a fast connection to the internet without interrupting phone service: DSL in Japan is often five to ten times as fast as what is widely offered by U.S. cable providers, generally viewed as the fastest American carriers. →  Compare ADSL
(Definition of DSL from the Cambridge Business English Dictionary © Cambridge University Press)
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