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List phrases that spell out 5.1 

We found 3 dictionaries with English definitions that include the word 5.1: Click on the first link on a line below to go directly to a page where "5.1" is defined. Computing (2 matching dictionaries) 5.1: CNET Internet Glossary [home, info] 5.1: Encyclopedia [home, info] Tech (1 matching dictionary) 5.1: Sweetwater Music [home, info]