DSL Definition in the Cambridge English Dictionary
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Definition of “DSL” - English Dictionary

Definition of "DSL" - American English Dictionary

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DSLnoun [U]

abbreviation fordigitalsubscriberline (= a ​system for ​sending and ​receivinginformation at high ​speeds over ​ordinarytelephonelines): In some ​respects, DSL is ​superior to ​cable for ​Internetaccess.
(Definition of DSL from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "DSL" - British English Dictionary

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DSLnoun [U]

abbreviation fordigitalsubscriberline (= a ​system for ​sending and ​receivinginformation at high ​speeds over ​ordinarytelephonelines): In some ​respects, DSL is ​superior to ​cable for Internet ​access.
(Definition of DSL from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "DSL" - Business English Dictionary

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DSLnoun [U]

uk   us   INTERNET, COMMUNICATIONS
abbreviation for Digital Subscriber Line: a ​technology that uses ordinary ​phonelines to ​provide a fast ​connection to the ​internet without interrupting ​phoneservice: DSL in Japan is often five to ten ​times as fast as what is widely ​offered by U.S. ​cableproviders, generally viewed as the fastest American ​carriers.
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(Definition of DSL from the Cambridge Business English Dictionary © Cambridge University Press)
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