Submitted by György Chityil ... on Fri, 01/19/2018 - 18:09 Hierarchy: InitialismDescription: {{communication|electronics}} Highspeed Circuit Switched Data (2.5G).Ngram: HSCSDNgram Text: HSCSDSource: WiktionaryIssue: 0Wiktionary tag: communicationelectronicsNgram Count: 1