From Longman Dictionary of Contemporary EnglishADSLADSL /ˌeɪ diː es ˈel/ noun [uncountable] (asymmetric digital subscriber line) a system that makes it possible for information such as video images to be sent to computers through telephone wires at a very high speedFrom Longman Business DictionaryADSLADSL noun [uncountable] COMPUTINGTELECOMMUNICATIONSasymmetric digital subscriber line; a system that makes it possible for large amounts of digital information to be sent to computers through ordinary telephone lines at very high speedThe company offers high-speed ADSL internet access at reasonable rates.
